CI against Ruby 2.4

amatsuda · amatsuda · commit ea21171661ae · 2024-08-31T18:38:45.000+09:00
which is the minimum supported version of the previously released gem
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
@@ -10,6 +10,7 @@ jobs:
 
       matrix:
         ruby-version:
+          - '2.4'
           - '2.5'
           - '2.6'
           - '2.7'

-Original file line number
+Diff line change
       matrix:
         ruby-version:
 +          - '2.4'
           - '2.5'
           - '2.6'
           - '2.7'