Change: Use GitHub environment for releases

This allows for showing a progress bar during the workflow run and also
most important to secure the workflow even more. For example an
environment can restrict the branch from where is workflow may be run.

.github/workflows/release.yml

@@ -20,6 +20,9 @@ jobs:
   release:
     name: Actions
     runs-on: 'ubuntu-latest'
+    environment:
+      name: release
+      url: https://github.com/greenbone/actions/releases
     steps:
       - uses: actions/checkout@v4
         with: