deps: Update codecov/codecov-action action to v7

Author: renovate[bot]

.github/workflows/tests.yml

@@ -40,7 +40,7 @@ jobs:
             --logger:"console;verbosity=detailed"
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@0fb7174895f61a3b6b78fc075e0cd60383518dac # v5
+        uses: codecov/codecov-action@fb8b3582c8e4def4969c97caa2f19720cb33a72f # v7
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: ./CreatePdf.NET.Tests/TestResults/**/coverage.cobertura.xml