Update codecov/codecov-action action to v7

Author: renovate[bot]

.github/workflows/c-coverage.yml

@@ -44,7 +44,7 @@ jobs:
 
       # yamllint disable rule:line-length
       - name: Upload coverage reports to Codecov with GitHub Action
-        uses: codecov/codecov-action@e79a6962e0d4c0c17b229090214935d2e33f8354 # v6.0.1
+        uses: codecov/codecov-action@fb8b3582c8e4def4969c97caa2f19720cb33a72f # v7.0.0
         # yamllint enable rule:line-length
         with:
           directory: ./coverage