build: update the comment of workspace for bazel version (#22712)
build: update the comment of workspace for bazel version (#22712)

* build: update the comment of workspace for bazel version

The minimum bazel version to use with this repo is v4.0.0.

* build: remove the comment `# The minimum bazel version to use with this repo is v3.1.0.`

remove the `# The minimum bazel version to use with this repo is v3.1.0.`, the code is pretty self-explanatory

related #21722
mmalerba/material2,josephperrott/material2,mmalerba/material2,angular/components,angular/components,DevVersion/material2,crisbeto/material2,angular/components,DevVersion/material2,josephperrott/material2,mmalerba/material2,josephperrott/material2,mmalerba/material2,crisbeto/material2,DevVersion/material2,crisbeto/material2,angular/components,josephperrott/material2,DevVersion/material2,DevVersion/material2,mmalerba/material2,josephperrott/material2,crisbeto/material2