Revert to ubuntu-latest temporarily.

Author: AaronDDM

.github/workflows/pr-tests.yml

@@ -16,7 +16,7 @@ concurrency:
 jobs:
   test:
     name: Test Suite
-    runs-on: blacksmith-2vcpu-ubuntu-2204
+    runs-on: ubuntu-latest
     timeout-minutes: 15
 
     steps: