chore(deps): update dependency ubuntu to v26 (#49)

Author: gf712

.github/workflows/premerge.yml

@@ -11,7 +11,7 @@ env:
 
 jobs:
   build:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
 
     steps:
     - uses: actions/checkout@v7