fix(eslint-plugin): [non-nullable-type-assertion-style] fix false positive when asserting to a generic type that might be nullish#4509

bradzacher merged 5 commits intotypescript-eslint:maintypescript-eslint/typescript-eslint:mainfrom

djcsdy:non-nullable-type-assertion-styledjcsdy/typescript-eslint:non-nullable-type-assertion-styleCopy head branch name to clipboard