Bug Fixes/Changes

• fix: crash when calling setProgressBar on macOS (backport: 3-1-x). #16726

• build: ensure index.json is actually valid JSON before uploading (backport: 3-1-x). #16752

• chore: disable get/setLoginItemSettings specs. #16843

• build: ensure that the uploaded symbol path is correct for our symbol server. #16914

• chore: bump libcc (3-1-x). #16971

• Fix memory leak when using webFrame and spell checker (3-1-x). #16771