Bump workflows to Ubuntu 26.04 (#178)

Author: IsaacG

.github/workflows/continuous_integration.yml

@@ -10,7 +10,7 @@ on:
 
 jobs:
   continuous-integration:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
 

.github/workflows/smoketest.yml

@@ -5,7 +5,7 @@ on: [push, pull_request, workflow_dispatch]
 jobs:
   test:
     name: Tests
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - name: Checkout code
         uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0