Only set CLI path in workspace configuration

Author: koesie10

extensions/ql-vscode/test/vscode-tests/cli-integration/jest.setup.ts

@@ -82,7 +82,7 @@ beforeEach(async () => {
 
   await CUSTOM_CODEQL_PATH_SETTING.updateValue(
     process.env.CLI_PATH,
-    ConfigurationTarget.Global,
+    ConfigurationTarget.Workspace,
   );
 });