Update ubuntu.yml

Author: prabhu

.github/workflows/ubuntu.yml

@@ -10,7 +10,7 @@ env:
 
 jobs:
   Depscan-Linux-Build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v3
     - name: Checkout dep-scan