ci: bump codecov/codecov-action from 6.0.1 to 7.0.0 (#633)

Author: dependabot[bot]

.github/workflows/code_coverage.yml

@@ -44,7 +44,7 @@ jobs:
           grcov . --binary-path ./target/debug/deps/ -s . -t lcov --branch --ignore-not-existing --ignore '../*' --ignore "/*" -o ./target/coverage.lcov
 
       - name: Upload to codecov.io
-        uses: codecov/codecov-action@e79a6962e0d4c0c17b229090214935d2e33f8354 # v6.0.1
+        uses: codecov/codecov-action@fb8b3582c8e4def4969c97caa2f19720cb33a72f # v7.0.0
         with:
           fail_ci_if_error: true
           files: ./target/*.lcov