Bump workflows to Ubuntu 26.04 (#891)

Author: IsaacG

.github/workflows/test.yml

@@ -11,7 +11,7 @@ on:
 jobs:
   build:
     name: Tests
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683