ci: update ubuntu image

Author: SombrAbsol

.github/workflows/ci.yml

@@ -37,9 +37,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-24.04, macos-26, windows-2025]
+        os: [ubuntu-26.04, macos-26, windows-2025]
         include:
-          - os: ubuntu-24.04
+          - os: ubuntu-26.04
             artifact-suffix: linux
             extension: ""
 
@@ -87,7 +87,7 @@ jobs:
     name: Update latest release
     needs: build
     if: github.event_name != 'pull_request'
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
 
     permissions:
       contents: write