chore: enable unused-vars caughtErrors: all internally#8369

JoshuaKGoldberg merged 2 commits intotypescript-eslint:maintypescript-eslint/typescript-eslint:mainfrom

JoshuaKGoldberg:no-unused-vars-caught-errors-allJoshuaKGoldberg/typescript-eslint:no-unused-vars-caught-errors-allCopy head branch name to clipboard