Update CI runners to Ubuntu 24.04 and macOS Sonoma (#3208)

.github/workflows/oniguruma.yml

@@ -9,7 +9,7 @@ on:
 # we test other options for --with-oniguruma here.
 jobs:
   installed:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Clone repository
         uses: actions/checkout@v4
@@ -42,7 +42,7 @@ jobs:
             tests/*.log
 
   disabled:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Clone repository
         uses: actions/checkout@v4