update workflow

.github/workflows/ci.yml

@@ -2,9 +2,9 @@ name: Hooktest and Release
 
 on:
   push:
-    # Dispatch when pushing to default branch; currently `master`
+    # Dispatch when pushing to default branch; currently `public`
     branches:
-    - master
+    - public
   # Dispatch on pull requests
   pull_request:
 jobs:
@@ -14,11 +14,11 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       # Setup Python
-      - name: Set up Python 3.x
+      - name: Set up Python 3.11
         uses: actions/setup-python@v2
         with:
           # Semantic version range syntax or exact version of a Python version
-          python-version: "3.x"
+          python-version: "3.11"
       # Setup Java for Hooktest
       - name: Set up Java
         uses: actions/setup-java@v2