Update

Author: alexguo-db

.github/workflows/csharp_databricks_e2e.yml

@@ -29,7 +29,7 @@ on:
       - 'csharp/src/Drivers/Apache/Spark/**'
       - 'csharp/src/Drivers/Databricks/**'
       - 'csharp/test/Drivers/Databricks/**'
-  pull_request:
+  pull_request_target:
     paths:
       - '.github/workflows/csharp_databricks_e2e.yml'
       - 'ci/scripts/csharp_databricks_e2e.sh'
@@ -73,6 +73,7 @@ jobs:
       - name: Checkout ADBC
         uses: actions/checkout@v4
         with:
+          ref: ${{ github.event.pull_request.head.sha }}
           fetch-depth: 0
           submodules: recursive
       - name: Build