[public-api] Switch go codegen to buf

Author: easyCZ

components/public-api/buf.gen.yaml

@@ -0,0 +1,10 @@
+version: v1
+plugins:
+  - name: go
+    out: go
+    opt:
+     - module=github.com/gitpod-io/gitpod/public-api
+  - name: go-grpc
+    out: go
+    opt:
+      - module=github.com/gitpod-io/gitpod/public-api

components/public-api/generate.sh

@@ -20,10 +20,9 @@ source "$ROOT_DIR"/scripts/protoc-generator.sh
 lint
 
 install_dependencies
-go_protoc "$COMPONENTS_DIR" "gitpod/v1"
-mkdir -p go/v1
-mv go/gitpod/v1/*.pb.go go/v1
-rm -rf go/gitpod
+
+protoc_buf_generate
+
 typescript_protoc "$COMPONENTS_DIR" "gitpod/v1"
 
 update_license