use alternate dispatch action

.github/workflows/build-ylem-container-test-env.yaml

@@ -1,4 +1,4 @@
-name: Trigger internal azimuth-cli prod build
+name: Trigger internal azimuth-cli test build
 
 on:
   workflow_dispatch:
@@ -7,16 +7,9 @@ jobs:
   trigger-test:
     runs-on: ubuntu-latest
     steps:
-      - name: Send repository dispatch to ylem (test)
-        uses: actions/github-script@v6
-	env:
-	  GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
+      - name: Internal test build
+        uses: peter-evans/repository-dispatch@v3
         with:
-          script: |
-            const { GITHUB_TOKEN } = process.env;
-            await github.rest.actions.createDispatchEvent({
-              owner: 'tloncorp',
-              repo: 'ylem',
-              event_type: 'test-breach-ship-docker',
-              client_payload: { branch: 'main' }
-            });
+          token: ${{ secrets.GH_TOKEN }}
+          repository: tloncorp/ylem
+          event-type: test-breach-docker-ship