Pinned ubuntu to 24.04, bumped actions/checkout to 6.0.2

Author: adamlui

.github/workflows/sync-changes-to-gitlab.yml

@@ -7,7 +7,7 @@ on:
 jobs:
   build:
     if: (github.repository == 'adamlui/python-utils')
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       contents: read
     env:
@@ -16,7 +16,7 @@ jobs:
     steps:
 
       - name: Checkout adamlui/python-utils
-        uses: actions/checkout@v6.0.1
+        uses: actions/checkout@v6.0.2
         with:
           fetch-depth: 0