Update dependency ubuntu to v24

Author: renovate[bot]

.github/workflows/main.yml

@@ -6,7 +6,7 @@ on: push
 
 jobs:
   dependencies:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v3
 
@@ -39,7 +39,7 @@ jobs:
           npm ci --ignore-scripts
           ./node_modules/cypress/bin/cypress install
   test_mithril_hooks:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     needs: dependencies
     steps:
       - uses: actions/checkout@v3