ci: add a debug env step that always runs

/ref https://github.com/bevry/dorothy/actions/runs/11544835660
/ref https://github.com/bevry/dorothy/actions/runs/11545070866/job/32131472674

.github/workflows/dorothy-workflow.yml

@@ -8,6 +8,17 @@ concurrency:
   group: ${{ github.ref }}
   cancel-in-progress: true
 jobs:
+  debug-env:
+    runs-on: ubuntu-latest
+    steps:
+      - name: 'Debug Environment'
+        shell: bash -leo pipefail {0}
+        run: |
+          # output github context
+          printf '%s\n' 'github:' ${{ toJson(github) }}
+          # output env
+          printf '%s\n' 'env:'
+          env
   login-shells-and-linting:
     if: github.event_name == 'push' || ( github.event_name == 'pull_request' && (toJSON(github.event.pull_request.requested_reviewers) != '[]' || toJSON(github.event.pull_request.requested_teams) != '[]' ) )
     runs-on: ubuntu-latest