Drop support for Ruby 3.0

To be consistent with sqlite3 and only support non-EOL versions of Ruby
that ship with new enough versions of RubyGems to handle GNU and Musl
gems, only support Ruby 3.1+.

.github/workflows/tests.yml

@@ -100,22 +100,12 @@ jobs:
     with:
       platform: x64-mingw-ucrt
 
-  precompile-x64-mingw32:
-    uses: ./.github/workflows/precompile-gem.yml
-    with:
-      platform: x64-mingw32
-
-  precompile-x86-mingw32:
-    uses: ./.github/workflows/precompile-gem.yml
-    with:
-      platform: x86-mingw32
-
   test-ubuntu:
     needs: "build-cruby-gem"
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["3.0", "3.1", "3.2", "3.3", "3.4.0-rc1", "truffleruby"]
+        ruby: ["3.1", "3.2", "3.3", "3.4.0-rc1", "truffleruby"]
     runs-on: "ubuntu-latest"
     steps:
       - uses: actions/checkout@v4
@@ -136,7 +126,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["3.0", "3.1", "3.2", "3.3", "3.4.0-rc1"]
+        ruby: ["3.1", "3.2", "3.3", "3.4.0-rc1"]
     runs-on: "macos-13"
     steps:
       - uses: actions/checkout@v4
@@ -152,24 +142,6 @@ jobs:
         env:
           BUNDLE_PATH: ${{ github.workspace }}/vendor/bundle
 
-  test-windows-2019:
-    needs: "build-cruby-gem"
-    runs-on: "windows-2019"
-    steps:
-      - uses: actions/checkout@v4
-      - uses: ruby/setup-ruby@v1
-        with:
-          ruby-version: "3.0"
-          bundler-cache: true
-      - uses: actions/download-artifact@v4
-        with:
-          name: cruby-gem
-          path: pkg
-      - run: ./scripts/test-gem-install
-        shell: bash
-        env:
-          BUNDLE_PATH: ${{ github.workspace }}/vendor/bundle
-
   test-windows-2022:
     needs: "build-cruby-gem"
     strategy:
@@ -218,7 +190,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["3.0", "3.1", "3.2", "3.3", "3.4-rc"]
+        ruby: ["3.1", "3.2", "3.3", "3.4-rc"]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -239,7 +211,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["3.0", "3.1", "3.2", "3.3", "3.4-rc"]
+        ruby: ["3.1", "3.2", "3.3", "3.4-rc"]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -260,7 +232,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["3.0", "3.1", "3.2", "3.3", "3.4-rc"]
+        ruby: ["3.1", "3.2", "3.3", "3.4-rc"]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -274,14 +246,14 @@ jobs:
           docker run --rm -v "$(pwd):/argon2id" -w /argon2id \
             --platform=linux/arm/v7 \
             ruby:${{ matrix.ruby }} \
-            ./scripts/test-gem-install
+            sh -c "gem update --system && ./scripts/test-gem-install"
 
   test-precompiled-arm-linux-musl:
     needs: "precompile-arm-linux-musl"
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["3.0", "3.1", "3.2", "3.3", "3.4-rc"]
+        ruby: ["3.1", "3.2", "3.3", "3.4-rc"]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -302,7 +274,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["3.0", "3.1", "3.2", "3.3", "3.4-rc"]
+        ruby: ["3.1", "3.2", "3.3", "3.4-rc"]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -323,7 +295,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["3.0", "3.1", "3.2", "3.3", "3.4-rc"]
+        ruby: ["3.1", "3.2", "3.3", "3.4-rc"]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -344,7 +316,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["3.0", "3.1", "3.2", "3.3", "3.4.0-rc1"]
+        ruby: ["3.1", "3.2", "3.3", "3.4.0-rc1"]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -365,7 +337,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["3.0", "3.1", "3.2", "3.3", "3.4-rc"]
+        ruby: ["3.1", "3.2", "3.3", "3.4-rc"]
     runs-on: ubuntu-latest
     container:
       image: "ruby:${{ matrix.ruby }}-alpine"
@@ -383,7 +355,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["3.0", "3.1", "3.2", "3.3", "3.4.0-rc1"]
+        ruby: ["3.1", "3.2", "3.3", "3.4.0-rc1"]
     runs-on: macos-14
     steps:
       - uses: actions/checkout@v4
@@ -404,7 +376,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["3.0", "3.1", "3.2", "3.3", "3.4.0-rc1"]
+        ruby: ["3.1", "3.2", "3.3", "3.4.0-rc1"]
     runs-on: macos-13
     steps:
       - uses: actions/checkout@v4
@@ -459,24 +431,6 @@ jobs:
         env:
           BUNDLE_PATH: ${{ github.workspace }}/vendor/bundle
 
-  test-precompiled-x64-mingw32:
-    needs: "precompile-x64-mingw32"
-    runs-on: windows-2019
-    steps:
-      - uses: actions/checkout@v4
-      - uses: ruby/setup-ruby@v1
-        with:
-          ruby-version: "3.0"
-          bundler-cache: true
-      - uses: actions/download-artifact@v4
-        with:
-          name: cruby-x64-mingw32-gem
-          path: pkg
-      - run: ./scripts/test-gem-install
-        shell: bash
-        env:
-          BUNDLE_PATH: ${{ github.workspace }}/vendor/bundle
-
   ruby-memcheck:
     runs-on: "ubuntu-latest"
     env:

README.md

@@ -257,7 +257,7 @@ User.find_by(name: "alice")&.authenticate("password") #=> user
 
 This gem requires any of the following to run:
 
-* [Ruby](https://www.ruby-lang.org/en/) 3.0 to 3.4.0-rc1
+* [Ruby](https://www.ruby-lang.org/en/) 3.1 to 3.4.0-rc1
 * [JRuby](https://www.jruby.org) 9.4
 * [TruffleRuby](https://www.graalvm.org/ruby/) 24.1
 
@@ -274,7 +274,7 @@ Where possible, a pre-compiled native gem will be provided for the following pla
     * `aarch64-linux`, `arm-linux`, `x86-linux`, `x86_64-linux` (requires [glibc](https://www.gnu.org/software/libc/) 2.29+, RubyGems 3.3.22+ and Bundler 2.3.21+)
     * [musl](https://musl.libc.org/)-based systems such as [Alpine](https://alpinelinux.org) are supported with Bundler 2.5.6+
 * macOS `x86_64-darwin` and `arm64-darwin`
-* Windows `x64-mingw32` and `x64-mingw-ucrt`
+* Windows `x64-mingw-ucrt`
 * Java: any platform running JRuby 9.4 or higher
 
 ### Verifying the gems