ci: skip notify job in staging repo #5626

see c0f3faa


---

<!--- REMINDER: Ensure that your PR meets the guidelines in
CONTRIBUTING.md -->

License: I confirm that my contribution is made under the terms of the
Apache 2.0 license.

Author: justinmk3

.github/workflows/notification.yml

@@ -23,20 +23,23 @@ concurrency:
 
 jobs:
     notify:
-        if: ${{ github.event_name == 'pull_request_target' && github.repository == 'aws/aws-toolkit-vscode' }}
+        if: github.repository == 'aws/aws-toolkit-vscode'
         runs-on: ubuntu-latest
         permissions:
             pull-requests: write
             issues: read
         steps:
             - uses: actions/checkout@v4
+              if: github.event_name == 'pull_request_target'
               with:
                   fetch-depth: 20
             - uses: actions/setup-node@v4
+              if: github.event_name == 'pull_request_target'
               with:
                   node-version: '20'
             - name: Check for tests
               uses: actions/github-script@v7
+              if: github.event_name == 'pull_request_target'
               with:
                   script: |
                       const notify = require('.github/workflows/notify.js')