Github Actions deprecation (#5183)

* Fix deprecation call

* fix

Co-authored-by: Jirka Borovec <[email protected]>

Author: InCogNiTo124

.github/workflows/release-docker.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Get release version
         if: startsWith(github.ref, 'refs/tags/') || github.event_name == 'release'
         id: get_version
-        run: echo ::set-env name=RELEASE_VERSION::$(echo ${GITHUB_REF##*/})
+        run: echo "::set-output name=RELEASE_VERSION::$(echo ${GITHUB_REF##*/})"
 
       - name: Publish Releases to Docker
         # only on releases
@@ -37,6 +37,6 @@ jobs:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
           dockerfile: dockers/release/Dockerfile
-          build_args: PYTHON_VERSION=${{ matrix.python_version }},PYTORCH_VERSION=${{ matrix.pytorch_version }},LIGHTNING_VERSION=${{ env.RELEASE_VERSION }}
-          tags: "${{ env.RELEASE_VERSION }}-py${{ matrix.python_version }}-torch${{ matrix.pytorch_version }},latest-py${{ matrix.python_version }}-torch${{ matrix.pytorch_version }}"
+          build_args: PYTHON_VERSION=${{ matrix.python_version }},PYTORCH_VERSION=${{ matrix.pytorch_version }},LIGHTNING_VERSION=${{ steps.get_version.outputs.RELEASE_VERSION }}
+          tags: "${{ steps.get_version.outputs.RELEASE_VERSION }}-py${{ matrix.python_version }}-torch${{ matrix.pytorch_version }},latest-py${{ matrix.python_version }}-torch${{ matrix.pytorch_version }}"
         timeout-minutes: 55