Add ubuntu:20.04 case

termoshtt · termoshtt · commit f7db8ed7b734 · 2022-08-17T15:40:18.000+09:00
diff --git a/.github/workflows/intel-mkl-tool.yml b/.github/workflows/intel-mkl-tool.yml
@@ -52,6 +52,7 @@ jobs:
       matrix:
         image:
           - ubuntu:22.04
+          - ubuntu:20.04
           - debian:10
     container:
       image: ${{ matrix.image }}
