Update Github Actions

Author: yubingjiaocn

.github/workflows/pr-triage.yml

@@ -10,7 +10,7 @@ jobs:
     permissions:
       pull-requests: write
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Get PR author
         id: get-author
         run: |
@@ -30,7 +30,7 @@ jobs:
       - name: Auto-approve if author is able to write and contains only doc change
         id: doc-change
         if: steps.author-permission.outputs.require-result == 'true'
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |

CODEOWNERS

@@ -1,3 +1,4 @@
-CODEOWNERS @aws-solutions-library-samples/maintainers
+* @yubingjiaocn @bnusunny
+CODEOWNERS @aws-solutions-library-samples/maintainers @yubingjiaocn
 /.github/workflows/maintainer_workflows.yml @aws-solutions-library-samples/maintainers
 /.github/solutionid_validator.sh @aws-solutions-library-samples/maintainers