Update codegen to match new style

Author: hectorcast-db

.codegen.json

@@ -2,7 +2,7 @@
   "mode": "py_v0",
   "api_changelog": true,  
   "version": {
-    "databricks/sdk/version.py": "__version__ = '$VERSION'"
+    "databricks/sdk/version.py": "__version__ = \"$VERSION\""
   },
   "toolchain": {
     "required": ["python3"],