SCANPY-75: Added releasability task to CI (#159)

Co-authored-by: David Kunzmann <david.kunzmann@sonarsource.com>

Author: Seppli11

.github/workflows/releasability.yml

@@ -0,0 +1,30 @@
+name: Releasability status
+"on":
+  check_suite:
+    types:
+      - completed
+  workflow_dispatch:
+
+jobs:
+  update_releasability_status:
+    runs-on: ubuntu-latest
+    name: Releasability status
+    permissions:
+      id-token: write
+      statuses: write
+      contents: read
+    if: >-
+      github.event_name == 'workflow_dispatch' ||
+      ((contains(fromJSON('["main", "master"]'),
+      github.event.check_suite.head_branch) ||
+      startsWith(github.event.check_suite.head_branch, 'branch-')) &&
+      github.event.check_suite.conclusion == 'success' &&
+      github.event.check_suite.app.slug == 'cirrus-ci')
+    steps:
+      - uses: >-
+          SonarSource/gh-action_releasability/releasability-status@v2
+        with:
+          # CheckManifestValues is not supported for python projects (see PREQ-465)
+          optional_checks: "Jira,CheckManifestValues"
+        env:
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"