fix(ci): prevents semgrep from failing on forks (#3092)

* prevents semgrep from failing when its coming from a fork

* update semgrep workflow operator logic

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

* Update .github/workflows/semgrep.yml

Co-authored-by: Alex Gartner <alexg@zetachain.com>

---------

Co-authored-by: jkan2 <5862123+jkan2@users.noreply.github.com>
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
Co-authored-by: Alex Gartner <alexg@zetachain.com>

.github/workflows/semgrep.yml

@@ -17,7 +17,9 @@ jobs:
     container:
       image: ghcr.io/zeta-chain/semgrep-semgrep:1.90.0
 
-    if: (github.actor != 'dependabot[bot]')
+    if: |
+      github.actor != 'dependabot[bot]' &&
+      (github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == 'zeta-chain/node')
     steps:
       - uses: actions/checkout@v4    
       - name: Checkout semgrep-utilities repo