Bump codecov/codecov-action from 4 to 5

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 4 to 5.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v4...v5)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/ci.yml

@@ -55,7 +55,7 @@ jobs:
         CXX: clang++
 
     - name: Coverage
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: ./coverage.xml
@@ -91,7 +91,7 @@ jobs:
       run: ulimit -n 65536 65536 && tox -e base
 
     - name: Coverage
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: ./coverage.xml
@@ -163,7 +163,7 @@ jobs:
         CXX: clang++
 
     - name: Coverage
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: ./coverage.xml
@@ -214,7 +214,7 @@ jobs:
       run: tox -e julia
 
     - name: Coverage
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: ./coverage.xml
@@ -250,7 +250,7 @@ jobs:
       run: tox -e optimize
 
     - name: Coverage
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: ./coverage.xml
@@ -286,7 +286,7 @@ jobs:
       run: tox -e hierarchical
 
     - name: Coverage
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: ./coverage.xml
@@ -322,7 +322,7 @@ jobs:
       run: tox -e select
 
     - name: Coverage
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: ./coverage.xml