Update dependency ubuntu to v24 (#95)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/deploy-theme.yml

@@ -7,7 +7,7 @@ on:
       - main
 jobs:
   deploy:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v6
       - name: Deploy Ghost Theme