chore(ci): improve triage workflow

- Prevent funning the triage PR workflow for dependabot submitted PRs.
  This is failing because the required credential is not available for
  that workflow on dependabot submitted PRs.

- Add names to jobs.

.github/workflows/triage.yaml

@@ -10,6 +10,7 @@ on:
 jobs:
   issues:
     if: github.repository == 'kanisterio/kanister' && github.event_name == 'issues'
+    name: Triage New Issue
     permissions:
       issues: write
     runs-on: ubuntu-latest
@@ -33,13 +34,15 @@ jobs:
         repo-token: ${{ secrets.GH_TOKEN }} # must use a PAT here
         project: Kanister
         column: To Be Triaged
-  pull-requests:
-    if: github.repository == 'kanisterio/kanister' && github.event_name == 'pull_request' && !github.event.pull_request.head.repo.fork
+  pull-requests-comment:
+    name: Triage Pull Request
+    if: github.repository == 'kanisterio/kanister' && github.event_name == 'pull_request' && !github.event.pull_request.head.repo.fork && github.actor != 'dependabot'
     permissions:
       pull-requests: write
     runs-on: ubuntu-latest
     steps:
     - uses: actions-ecosystem/[email protected]
+      # Avoid adding a comment when the PR is on the same repo.
       if: github.event.action == 'opened'
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
@@ -48,6 +51,9 @@ jobs:
 
           If you haven't already, please take a moment to review our project [contributing guideline](https://github.com/kanisterio/kanister/blob/master/CONTRIBUTING.md) and [Code of Conduct](https://github.com/kanisterio/kanister/blob/master/CODE_OF_CONDUCT.md) document.
     - uses: alex-page/[email protected]
+      # This only works for PRs opened in the same repo and not by dependabot.
+      # Other PRs don't get the necessary credentials.
+      if: github.repository == 'kanisterio/kanister' && !github.event.pull_request.head.repo.fork && github.actor != 'dependabot'
       with:
         repo-token: ${{ secrets.GH_TOKEN }}
         project: Kanister