workflows: add DST workflow

.github/workflows/dst.yml

@@ -0,0 +1,36 @@
+name: DST
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Go
+      run: |
+        which go
+        go env
+        curl -L -o go-custom-linux-amd64.tar.gz https://github.com/asubiotto/go/releases/download/v0.0.1-test/go-custom-linux-amd64.tar.gz
+        tar -xzf go-custom-linux-amd64.tar.gz
+        sudo mv go /usr/local/go
+        # Prepend, rather than append the custom binary (otherwise the default
+        # go binary will be used).
+        echo "/usr/local/go/bin" >> $GITHUB_PATH
+        echo "GOROOT=/usr/local/go" >> $GITHUB_ENV
+        sudo chmod -R 755 /usr/local/go
+        go version
+        go env
+        which go
+    - name: Run tests
+      run: |
+        which go
+        go version
+        go env
+        go clean -cache -modcache -i -r
+        go test ./...