update CODEOWNERS and PR template (#1)

* update CODEOWNERs

* update PR template

* update github action

.github/pull_request_template.md

@@ -1,26 +1 @@
 **Please provide a description of this PR:**
-
-
-
-**To help us figure out who should review this PR, please put an X in all the areas that this PR affects.**
-
-- [ ] Ambient
-- [ ] Configuration Infrastructure
-- [ ] Docs
-- [ ] Dual Stack
-- [ ] Installation
-- [ ] Networking
-- [ ] Performance and Scalability
-- [ ] Extensions and Telemetry
-- [ ] Security
-- [ ] Test and Release
-- [ ] User Experience
-- [ ] Developer Infrastructure
-- [ ] Upgrade
-- [ ] Multi Cluster
-- [ ] Virtual Machine
-- [ ] Control Plane Revisions
-
-**Please check any characteristics that apply to this pull request.**
-
-- [ ] Does not have any [user-facing](https://github.com/istio/istio/tree/master/releasenotes#when-to-add-release-notes) changes. This may include CLI changes, API changes, behavior changes, performance improvements, etc.

.github/workflows/code-check.yaml

@@ -3,9 +3,7 @@ name: Code Check
 on:
   push:
     branches:
-    - "master"
-    # paths:
-    # - 'k8s/kind/**'
+    - "main"
 
 permissions:
   contents: read

CODEOWNERS

@@ -1 +1 @@
-* @istio/release-managers-1-23
+* @zirain @howardjohn