[Actions] Ensure that we escape illegal chars from the commit msg. (#17783)

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

@@ -14,7 +14,7 @@ jobs:
         id: commit_title
         run: |
           Write-Host "Commit message is $Env:COMMIT_MESSAGE"
-          $title = ($Env:COMMIT_MESSAGE -split '\n')[0]
+          $title = ($Env:COMMIT_MESSAGE -split '\n')[0] | ConvertTo-Json
           "COMMIT_TITLE=$title" >> $env:GITHUB_OUTPUT
         env:
           COMMIT_MESSAGE: "${{ github.event.head_commit.message }}"