use environments, use non-deprecated GHA output

Signed-off-by: Jens Langhammer <[email protected]>

.github/workflows/next-branch.yml → .github/workflows/release-next-branch.yml

@@ -1,4 +1,4 @@
-name: next-branch
+name: release-next-branch
 
 on:
   schedule:
@@ -8,13 +8,15 @@ on:
 jobs:
   update-next:
     runs-on: ubuntu-latest
+    environment: internal-production
     steps:
       - uses: actions/checkout@v3
         with:
           ref: main
       - id: main-status
         run: |
-          echo "::set-output name=status::$(curl -fsSL -o head_status.json -H "Accept: application/vnd.github+json" -H "Authorization: Bearer ${{ github.token}}" "https://api.github.com/repos/${{ github.repository }}/commits/HEAD/status" | jq -r '.state')"
+          status=$(curl -fsSL -o head_status.json -H "Accept: application/vnd.github+json" -H "Authorization: Bearer ${{ github.token}}" "https://api.github.com/repos/${{ github.repository }}/commits/HEAD/status" | jq -r '.status')
+          echo "status=${status}" >> $GITHUB_OUTPUT
       - if: ${{ steps.main-status.outputs.status == 'success' }}
         run: |
           git push origin next --force