Bump codecov/codecov-action from 5.5.3 to 6.0.0 (#683)

Author: dependabot[bot]

.github/workflows/main.yml

@@ -56,7 +56,7 @@ jobs:
       run: ./mvnw -B -q -ff -ntp test jacoco:report
     - name: Publish code coverage
       if: ${{ matrix.release_build && github.event_name != 'pull_request' }}
-      uses: codecov/codecov-action@1af58845a975a7985b0beb0cbe6fbbb71a41dbad # v5.5.3
+      uses: codecov/codecov-action@57e3a136b779b570ffcdbf80b3bdc90e7fab3de2 # v6.0.0
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         files: cbor/target/site/jacoco/jacoco.xml,smile/target/site/jacoco/jacoco.xml,avro/target/site/jacoco/jacoco.xml,protobuf/target/site/jacoco/jacoco.xml,ion/target/site/jacoco/jacoco.xml