Proto commits in Kong/go-pdk

These 4 commits are when the Protocol Buffers files have changed:

Commit:af1a7d9
Author:Guilherme Salazar
Committer:Guilherme Salazar

fix(pluginsocket.proto): type for `set_upstream` Fix the return type for the `.Service.SetUpstream` external plugin PDK method. Fixes issue https://github.com/Kong/go-pdk/issues/114. Sister PR: https://github.com/Kong/kong/pull/12727

The documentation is generated from this commit.

Commit:4deec45
Author:Xumin
Committer:GitHub

fix(pdk): types related to message body should be bytes (#132) Fix Kong/kong#9294

Commit:287b737
Author:Xumin
Committer:GitHub

feat(api): request.get_uri_captures (#130)

Commit:5775452
Author:Xumin
Committer:GitHub

chore(build) automate proto make and detect out of sync with Kong (#129)