feat: add support for coder_git_auth data source (#6334)

* Add git auth providers schema

* Pipe git auth providers to the schema

* Add git auth providers to the API

* Add gitauth endpoint to query authenticated state

* Add endpoint to query git state

* Use BroadcastChannel to automatically authenticate with Git

* Add error validation for submitting the create workspace form

* Fix panic on template dry-run

* Add tests for the template version Git auth endpoint

* Show error if no gitauth is configured

* Add gitauth to cliui

* Fix unused method receiver

* Fix linting errors

* Fix dbauthz querier test

* Fix make gen

* Add JavaScript test for git auth

* Fix bad error message

* Fix provisionerd test race

See https://github.com/coder/coder/actions/runs/4277960646/jobs/7447232814

* Fix requested changes

* Add comment to CreateWorkspacePageView

coderd/database/queries/gitauth.sql

@@ -20,10 +20,10 @@ INSERT INTO git_auth_links (
     $7
 ) RETURNING *;
 
--- name: UpdateGitAuthLink :exec
+-- name: UpdateGitAuthLink :one
 UPDATE git_auth_links SET
     updated_at = $3,
     oauth_access_token = $4,
     oauth_refresh_token = $5,
     oauth_expiry = $6
-WHERE provider_id = $1 AND user_id = $2;
+WHERE provider_id = $1 AND user_id = $2 RETURNING *;

coderd/database/queries/templateversions.sql

@@ -102,6 +102,15 @@ SET
 WHERE
 	job_id = $1;
 
+-- name: UpdateTemplateVersionGitAuthProvidersByJobID :exec
+UPDATE
+	template_versions
+SET
+	git_auth_providers = $2,
+	updated_at = $3
+WHERE
+	job_id = $1;
+
 -- name: GetPreviousTemplateVersion :one
 SELECT
 	*