ci: remove Ruby 3.1 and below

Watson1978 · Watson1978 · commit e0d72e00efad · 2025-02-15T06:55:10.000+09:00
Signed-off-by: Shizuo Fujita &lt;fujita@clear-code.com&gt;
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
@@ -9,9 +9,6 @@ jobs:
       fail-fast: false
       matrix:
         ruby:
-          - '2.7'
-          - '3.0'
-          - '3.1'
           - '3.2'
           - '3.3'
           - '3.4'

-Original file line number
+Diff line change
       fail-fast: false
       matrix:
         ruby:
 -          - '2.7'
 -          - '3.0'
 -          - '3.1'
           - '3.2'
           - '3.3'
           - '3.4'