Revert "Bump codecov/codecov-action from 5.3.1 to 5.4.2"

Author: garydgregory

.github/workflows/coverage.yml

@@ -53,6 +53,6 @@ jobs:
       run: mvn --show-version --batch-mode --no-transfer-progress test jacoco:report-aggregate
 
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@ad3126e916f78f00edff4ed0317cf185271ccc2d # v5.4.2
+      uses: codecov/codecov-action@13ce06bfc6bbe3ecf90edbbf1bc32fe5978ca1d3 # v5.3.1
       with:
         files: ./docs-archive/target/site/jacoco-aggregate/jacoco.xml