pdd.yml in cobench-0.0.49

- old
+ new

@@ -3,9 +3,9 @@
 on:
   push:
   pull_request:
 jobs:
   pdd:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v3
       - uses: g4s8/pdd-action@master