Buf v0.10.0 is released - enable cloning of submodules for git inputs

[bufbuild-announce]

We have released Buf v0.10.0.

This adds the recurse_submodules option for git inputs to enable cloning of submodules recursively.

$ buf check lint --input https://github.com/foo/bar.git#branch=master,recurse_submodules=true

$ buf check breaking --against-input https://github.com/foo/bar.git#branch=master,recurse_submodules=true

The brew tap and documentation have also been updated.