Add workflow to automatically close issues from non-maintainers

.github/workflows/close-non-maintainer-issues.yml

@@ -0,0 +1,61 @@
+name: Auto-close issues from non-maintainers
+
+on:
+  issues:
+    types: [opened]
+
+permissions:
+  issues: write
+
+jobs:
+  close-non-maintainer-issues:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check if user has maintainer rights
+        id: check_permission
+        uses: actions/github-script@v7
+        with:
+          script: |
+            try {
+              const permission = await github.rest.repos.getCollaboratorPermissionLevel({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                username: context.payload.issue.user.login
+              });
+
+              const hasWriteAccess = ['admin', 'write', 'maintain'].includes(permission.data.permission);
+              core.setOutput('has_write_access', hasWriteAccess);
+
+              return hasWriteAccess;
+            } catch (error) {
+              // If we can't check permissions (e.g., user is not a collaborator), assume no access
+              core.setOutput('has_write_access', false);
+              return false;
+            }
+
+      - name: Close issue if user lacks maintainer rights
+        if: steps.check_permission.outputs.has_write_access == 'false'
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const message = `This repository is for announcements by the PowerShell team only.
+
+            To file a bug or start a discussion, please find the appropriate repo in [PowerShell](https://github.com/PowerShell) and create a new issue.
+
+            For general issue discussions, please go to [PowerShell/PowerShell](https://github.com/PowerShell/PowerShell/issues) and create a new issue.
+
+            This issue has been automatically closed.`;
+
+            await github.rest.issues.createComment({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: context.payload.issue.number,
+              body: message
+            });
+
+            await github.rest.issues.update({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: context.payload.issue.number,
+              state: 'closed'
+            });