ksmbd: github action: auto-test ksmbd on the latest ubuntu

Signed-off-by: Namjae Jeon <[email protected]>

Author: namjaejeon

.github/workflows/c-cpp.yml

@@ -9,7 +9,7 @@ on:
 jobs:
   build:
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v3