Updated build environment to Ubuntu 26.04 LTS

Author: RaphiMC

.github/workflows/build.yml

@@ -6,7 +6,7 @@ permissions:
 
 jobs:
   build:
-    runs-on: "ubuntu-24.04"
+    runs-on: "ubuntu-26.04"
     if: "${{ github.event_name != 'pull_request' || github.repository != github.event.pull_request.head.repo.full_name }}"
     steps:
       - name: "Checkout repository"