Update github workflows

Switch to 6.3.x branch

Author: rainboyan

.github/workflows/gradle.yml

@@ -2,16 +2,16 @@ name: Grace CI
 on:
   push:
     branches:
-      - '[5-9]+.[0-9]+.x'
+      - 6.3.x
   pull_request:
     branches:
-      - '[5-9]+.[0-9]+.x'
+      - 6.3.x
   workflow_dispatch:
 jobs:
   build:
     permissions:
       contents: read  #  to fetch code (actions/checkout)
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     strategy:
       matrix:
         java: ['17']
@@ -40,7 +40,7 @@ jobs:
     permissions:
       contents: read  #  to fetch code (actions/checkout)
       checks: write
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
         env:

.github/workflows/release-notes.yml

@@ -4,7 +4,7 @@ on:
     types: [closed,reopened]
   push:
     branches:
-      - 6.2.x
+      - 6.3.x
   workflow_dispatch:
 jobs:
   release_notes:

.github/workflows/release.yml

@@ -10,7 +10,7 @@ permissions:
 
 jobs:
   create_draft_release:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     env:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
@@ -24,7 +24,7 @@ jobs:
             ${{ github.ref_name }}
   release_and_publish:
     needs: create_draft_release
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     strategy:
       matrix:
         java: ['17']