Replace GetIsolate() by Isolate::GetCurrent()#224

pthier merged 2 commits intov8:node-ci-2025-08-20v8/node:node-ci-2025-08-20from

backes:replace-get-isolate-by-isolate-getcurrentbackes/node:replace-get-isolate-by-isolate-getcurrentCopy head branch name to clipboard