docs: Remove redundant symbols ‘ “ ’ (#8101)

Author: WuMingDao

src/content/reference/react/act.md

@@ -152,7 +152,7 @@ Don’t forget that dispatching DOM events only works when the DOM container is
 
 ## Troubleshooting {/*troubleshooting*/}
 
-### I'm getting an error: "The current testing environment is not configured to support act"(...)" {/*error-the-current-testing-environment-is-not-configured-to-support-act*/}
+### I'm getting an error: "The current testing environment is not configured to support act(...)" {/*error-the-current-testing-environment-is-not-configured-to-support-act*/}
 
 Using `act` requires setting `global.IS_REACT_ACT_ENVIRONMENT=true` in your test environment. This is to ensure that `act` is only used in the correct environment.