Fix git safe dir error

Author: ferenc-csaky

.github/workflows/docs.yaml

@@ -49,7 +49,10 @@ jobs:
           fi
       - name: Build documentation
         run: |
-          docker run  --rm --volume "$PWD:/root/flink-kubernetes-operator" chesnay/flink-ci:java_8_11_17_21_maven_386_jammy bash -c "cd /root/flink-kubernetes-operator && ./.github/workflows/docs.sh"
+          docker run --rm \
+            --volume "$PWD:/root/flink-kubernetes-operator" \
+            chesnay/flink-ci:java_8_11_17_21_maven_386_jammy \
+            bash -lc 'git config --global --add safe.directory /root/flink-kubernetes-operator && cd /root/flink-kubernetes-operator && ./.github/workflows/docs.sh'
       - name: Upload documentation
         uses: ./.github/actions/rsync-deployments
         with: