Change ubuntu runners to name dist versions

diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 560eee537adc63c3c8cdb37773697023cc229d8e..6214a50e1e4d54b0dc7463db52b5aecdc3ff5cb2 100644 (file)
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-          os: [ ubuntu-latest, ubuntu-18.04 ]
+          os: [ ubuntu-18.04, ubuntu-20.04, ubuntu-22.04 ]
           buildtype: [ Debug, Release ]
     steps:
       - uses: actions/checkout@v2