Use ubuntu-18.04

driesvints · driesvints · commit 448662c91540 · 2021-03-04T13:51:23.000+01:00
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
@@ -8,7 +8,7 @@ on:
 
 jobs:
   linux_tests:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
 
     services:
       memcached:
