Update docker-openmetadata-server.yml (#12156)

* Update docker-openmetadata-server.yml

getting error in https://github.com/open-metadata/OpenMetadata/actions/runs/5378054686/workflow

* Move env definition to step

---------

Co-authored-by: Matias Puerta <mati.puerta@gmail.com>

.github/workflows/docker-openmetadata-server.yml

@@ -113,13 +113,13 @@ jobs:
  push_to_docker_hub:
  runs-on: ubuntu-latest
  env:
- - name: Set build arguments
- run: |
- echo "BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_ENV
- DOCKER_RELEASE_TAG: ${{ github.event.inputs.DOCKER_RELEASE_TAG }}
+ DOCKER_RELEASE_TAG: ${{ github.event.inputs.DOCKER_RELEASE_TAG }}
  if: ${{ always() && contains(join(needs.*.result, ','), 'success') }}
  needs: [release-project-event-workflow_dispatch, release-project-event-release] 
  steps:
+ - name: Set build arguments
+ run: |
+ echo "BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_ENV
  - name: Check trigger type
  id: check_trigger
  if: ${{ env.DOCKER_RELEASE_TAG == '' }}