DAT-21227: Modify GitHub Actions workflow for pull requests (#344)

* Modify GitHub Actions workflow for pull requests

Updated pull request trigger to use 'pull_request_target' and added authorization job.

* Update dependencies for build-test and dependabot-automerge

Author: sayaliM0412

.github/workflows/test.yml

@@ -2,7 +2,7 @@ name: Build and Test
 
 on:
   workflow_dispatch:
-  pull_request:
+  pull_request_target:
     types:
       - opened
       - reopened
@@ -15,11 +15,18 @@ permissions:
   id-token: write
 
 jobs:
+  authorize:
+    environment: ${{ github.event_name == 'pull_request_target' && github.event.pull_request.head.repo.full_name != github.repository && 'external' || 'internal' }}
+    runs-on: ubuntu-latest
+    steps:
+      - run: "true"
+      
   build-test:
+    needs: authorize
     uses: liquibase/build-logic/.github/workflows/os-extension-test.yml@main
     secrets: inherit
 
   dependabot-automerge:
-    needs: build-test
+    needs: [ build-test,authorize ]
     uses: liquibase/build-logic/.github/workflows/dependabot-automerge.yml@main
     secrets: inherit