Upgrade AutoTriage to v5

.github/workflows/autotriage.yml

@@ -1,10 +1,20 @@
 name: AutoTriage
 
 on:
-  pull_request_target:
-    types: [opened]
   issues:
-    types: [opened]
+    types: [opened, reopened]
+  pull_request_target:
+    types: [opened, reopened, ready_for_review]
+  issue_comment:
+    types: [created]
+  workflow_dispatch:
+    inputs:
+      issues:
+        description: 'Issue or PR numbers (blank = backlog)'
+      dry-run:
+        description: 'Plan without applying'
+        type: boolean
+        default: true
 
 permissions:
   contents: read
@@ -13,13 +23,28 @@ permissions:
 
 jobs:
   triage:
+    # Skip draft PRs, and issues and comments from bots.
+    if: >-
+      (github.event_name == 'pull_request_target' && !github.event.pull_request.draft) ||
+      (github.event_name != 'pull_request_target' && github.event.sender.type != 'Bot')
     runs-on: ubuntu-latest
+    timeout-minutes: 60
+    concurrency:
+      group: autotriage
+      queue: max
     steps:
-      - uses: actions/checkout@v6
-
-      - uses: danielchalmers/AutoTriage@v4
+      - uses: danielchalmers/AutoTriage@v5
         with:
-          issues: ${{ github.event.pull_request.number || github.event.issue.number }}
+          issues: ${{ inputs.issues }}
+          # New activity is triaged live, while a manual run, which can sweep the backlog, only plans unless dry-run is unticked.
+          dry-run: ${{ inputs.dry-run }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          GEMINI_API_KEY: ${{ secrets.GEMINI_API_KEY }}
+          ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+
+      - if: always()
+        uses: actions/upload-artifact@v7
+        with:
+          name: autotriage-${{ github.run_number }}
+          path: artifacts
+          if-no-files-found: ignore