Pass codecov token to codecov action. (#2313)

Author: JonathanLennox

.github/workflows/maven.yml

@@ -40,3 +40,5 @@ jobs:
     - name: Upload coverage report
       if: matrix.java == env.RELEASE_JAVA_VERSION
       uses: codecov/codecov-action@v4
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}