Fix triage workflow, restore PR support

This commit reverts the triage workflow to restore the previous PR support using the `pull_request_target`, which is more secure as it doesn't allow fork repositories to change the workflow before it runs.

Additionally, this fixes an issue currently causing the workflow to break as cli/cli uses the `discuss` label but github/cli uses the `triage` label.

.github/workflows/triage.yml

@@ -4,7 +4,7 @@ on:
   issues:
     types:
       - labeled
-  pull_request:
+  pull_request_target:
     types:
       - labeled
 env:
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event_name == 'issues' && github.event.action == 'labeled' && github.event.label.name == 'discuss'
     steps:
-      - name: Create discuss issue based on source issue
+      - name: Create issue based on source issue
         env:
           BODY: ${{ github.event.issue.body }}
           CREATED: ${{ github.event.issue.created_at }}
@@ -26,8 +26,8 @@ jobs:
           # Markdown quote source body by replacing newlines for newlines and markdown quoting
           BODY="${BODY//$'\n'/$'\n'> }"
 
-          # Create discuss issue using dynamically constructed body within heredoc
-          cat << EOF | gh issue create --title "Triage issue \"$TITLE\"" --body-file - --repo "$TARGET_REPO" --label discuss
+          # Create issue using dynamically constructed body within heredoc
+          cat << EOF | gh issue create --title "Triage issue \"$TITLE\"" --body-file - --repo "$TARGET_REPO" --label triage
           **Title:** $TITLE
           **Issue:** $LINK
           **Created:** $CREATED
@@ -40,9 +40,9 @@ jobs:
 
   pull_request:
     runs-on: ubuntu-latest
-    if: github.event_name == 'pull_request' && github.event.action == 'labeled' && github.event.label.name == 'discuss'
+    if: github.event_name == 'pull_request_target' && github.event.action == 'labeled' && github.event.label.name == 'discuss'
     steps:
-      - name: Create discuss issue based on source pull request
+      - name: Create issue based on source pull request
         env:
           BODY: ${{ github.event.pull_request.body }}
           CREATED: ${{ github.event.pull_request.created_at }}
@@ -54,8 +54,8 @@ jobs:
           # Markdown quote source body by replacing newlines for newlines and markdown quoting
           BODY="${BODY//$'\n'/$'\n'> }"
 
-          # Create discuss issue using dynamically constructed body within heredoc
-          cat << EOF | gh issue create --title "Triage PR \"$TITLE\"" --body-file - --repo "$TARGET_REPO" --label discuss
+          # Create issue using dynamically constructed body within heredoc
+          cat << EOF | gh issue create --title "Triage PR \"$TITLE\"" --body-file - --repo "$TARGET_REPO" --label triage
           **Title:** $TITLE
           **Pull request:** $LINK
           **Created:** $CREATED