workflows: update pr-auditor workflow (#353)

Author: BolajiOlajide

.github/workflows/pr-auditor.yml

@@ -11,11 +11,12 @@ jobs:
     steps:
       - uses: actions/checkout@v4
         with:
-          repository: 'sourcegraph/pr-auditor'
+          repository: 'sourcegraph/devx-service'
+          token: ${{ secrets.PR_AUDITOR_TOKEN }}
       - uses: actions/setup-go@v4
-        with: { go-version: '1.21' }
+        with: { go-version: '1.22' }
 
-      - run: './check-pr.sh'
+      - run: 'go run ./cmd/pr-auditor'
         env:
           GITHUB_EVENT_PATH: ${{ env.GITHUB_EVENT_PATH }}
           GITHUB_TOKEN: ${{ secrets.PR_AUDITOR_TOKEN }}