Apply suggestion from @ascopes

Author: ascopes

protobuf-maven-plugin/src/test/java/io/github/ascopes/protobufmavenplugin/urls/HttpClientUrlConnectionTest.java

@@ -16,7 +16,7 @@
 package io.github.ascopes.protobufmavenplugin.urls;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.assertj.core.api.AssertionsForClassTypes.assertThatThrownBy;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;