docs: add missing period in shouldComponentUpdate doc (#8720)
docs: add missing period in shouldComponentUpdate doc (#8720)

(cherry picked from commit fa4f79f9fc94a26c9ce18478e24a8bfd8cb39267)

with-git/react,with-git/react,with-git/react,with-git/react,with-git/react,with-git/react,with-git/react