Update ci.yml

Update Python Version to 3.12

Author: woshimajintao

.github/workflows/ci.yml

@@ -28,7 +28,7 @@ jobs:
 
       - uses: actions/setup-python@v5
         with:
-          python-version: "3.11"
+          python-version: "3.12"
 
       - name: Cache pip
         uses: actions/cache@v4
@@ -95,7 +95,7 @@ jobs:
 
       - uses: actions/setup-python@v5
         with:
-          python-version: "3.11"
+          python-version: "3.12"
 
       - name: Cache pip
         uses: actions/cache@v4
@@ -158,7 +158,7 @@ jobs:
 
       - uses: actions/setup-python@v5
         with:
-          python-version: "3.11"
+          python-version: "3.12"
 
       - name: Install system deps (Qt/OpenCV runtime)
         shell: bash