[Actions] Update to use the title.

.github/workflows/sdk-insertion-bump.yml

@@ -12,13 +12,23 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-
+      
+      - name: Parse commit
+        shell: pwsh
+        id: commit_title
+        run: |
+          Write-Host "Commit message is $Env:COMMIT_MESSAGE"
+          $title = ($Env:COMMIT_MESSAGE -split '\n')[0]
+          "COMMIT_TITLE=$title" >> $env:GITHUB_OUTPUT
+        env:
+          COMMIT_MESSAGE: "${{ github.event.head_commit.message }}"
+        
       - name: 'Update remote repository'
         uses: peter-evans/repository-dispatch@v2
         with:
           token: ${{ secrets.SERVICEACCOUNT_PAT }}
           event-type: 'sdk_insertion' 
           repository: 'xamarin/sdk-insertions'
-          client-payload: '{"repository": "xamarin/xamarin-macios", "branch": "${{ github.ref_name }}", "commit": "${{ github.sha }}", "commit_message": "${{ github.event.head_commit.messageHeadline }}"}'
+          client-payload: '{"repository": "xamarin/xamarin-macios", "branch": "${{ github.ref_name }}", "commit": "${{ github.sha }}", "commit_message": "${{ steps.rcommit_title.outputs.COMMIT_TITLE }}"}'