Fix point release env

.forgejo/workflows/build.yaml

@@ -34,8 +34,11 @@ jobs:
           username: ${{ secrets.REGISTRY_USER }}
           password: ${{ secrets.REGISTRY_PASSWORD }}
       - name: Get point release
+        id: get-point-release
         if: env.PUSHED == 'true' || steps.check.outputs.differs == 'true'
-        run: echo "POINT_RELEASE=$(skopeo inspect docker://codeberg.org/forgejo/forgejo:${{ FORGEJO_VERSION }} | jq -r '.RepoTags | last' | cut -d '-' -f 1)" >> $GITHUB_ENV
+        run: |
+          echo "POINT_RELEASE=$(skopeo inspect docker://codeberg.org/forgejo/forgejo:${{ FORGEJO_VERSION }} | jq -r '.RepoTags | last' | cut -d '-' -f 1)" >> $GITHUB_ENV
+          echo "::set-output name=point-release::${{ env.POINT_RELEASE }}"
       - name: Build and push image
         if: env.PUSHED == 'true' || steps.check.outputs.differs == 'true'
         uses: docker/build-push-action@v5
@@ -45,7 +48,7 @@ jobs:
           tags: |
             ${{ env.REPO }}:latest
             ${{ env.REPO }}:${{ env.FORGEJO_VERSION }}
-            ${{ env.REPO }}:${{ env.POINT_RELEASE }}
+            ${{ env.REPO }}:${{ steps.get-point-release.outputs.point-release }}
       - name: Notify in Telegram channel
         if: env.PUSHED == 'true' || steps.check.outputs.differs == 'true'
         uses: https://github.com/appleboy/telegram-action@master
@@ -53,6 +56,6 @@ jobs:
           to: "-1001915202306"
           token: ${{ secrets.TELEGRAM_TOKEN }}
           message: |
-            forgejo-asciidoc v${{ env.POINT_RELEASE }} has just been built. docker pull away!
+            forgejo-asciidoc v${{ steps.get-point-release.outputs.point-release }} has just been built. docker pull away!
 
             See details: https://git.korhonen.cc/FunctionalHacker/-/packages/container/forgejo-asciidoc/latest