build(deps): Bump codecov/codecov-action from 6 to 7

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 6 to 7.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v6...v7)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/rust-test.yml

@@ -82,7 +82,7 @@ jobs:
         run: cargo llvm-cov --workspace --lcov --output-path lcov.info
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v6
+        uses: codecov/codecov-action@v7
         with:
           files: lcov.info
           flags: rust

.github/workflows/test.yml

@@ -145,7 +145,7 @@ jobs:
           name: integration-test-coverage-report-${{ github.sha }}
           path: ./integration-coverage
       - name: Upload combined coverage report
-        uses: codecov/codecov-action@v6
+        uses: codecov/codecov-action@v7
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: ./unit-coverage/coverage.txt,./integration-coverage/coverage.txt