Backport to branch(3.12) : [CI] Fix SQLServer 2017 job (#2253)

Co-authored-by: Vincent <[email protected]>

Author: feeblefakie

.github/workflows/ci.yaml

@@ -948,7 +948,7 @@ jobs:
 
   integration-test-for-jdbc-sqlserver-2017:
     name: SQL Server 2017 integration test
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     services:
       sqlserver: