chore(deps): update codecov/codecov-action action to v6 (#1913)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/merge.yml

@@ -53,7 +53,7 @@ jobs:
       run: mvn --batch-mode --update-snapshots verify
 
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v5.5.3
+      uses: codecov/codecov-action@v6.0.0
       with:
         token: ${{ secrets.CODECOV_TOKEN }} # not required for public repos
         flags: unittests # optional

.github/workflows/pullrequest.yml

@@ -49,7 +49,7 @@ jobs:
 
       - if: matrix.build.java == '17'
         name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v5.5.3
+        uses: codecov/codecov-action@v6.0.0
         with:
           token: ${{ secrets.CODECOV_TOKEN }} # not required for public repos
           flags: unittests # optional