ci: use ubuntu-latest everywhere

Author: phip1611

.github/workflows/rust.yml

@@ -19,7 +19,7 @@ concurrency:
 jobs:
   test_aarch64:
     name: Integration Test (AArch64)
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
         uses: actions/checkout@v4
@@ -47,7 +47,7 @@ jobs:
         timeout-minutes: 4
   test_ia32:
     name: Integration Test (IA-32)
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
         uses: actions/checkout@v4