fix(ci): update GitHub token for deploy workflow (#3149)

Use an updated secret token to fix deployment issues in the testnet workflow. This resolves potential authentication problems during deployment.

.github/workflows/deploy_testnet.yml

@@ -34,7 +34,7 @@ jobs:
           name: docker_tag
           path: .
           run-id: ${{ github.event.workflow_run.id }}
-          github-token: ${{ secrets.GIT_PACKAGE_TOKEN }}
+          github-token: ${{ secrets.GIT_PACKAGE_TOKEN2 }}
 
       - name: Determine ref
         id: determine-ref