CI: Add Ruby 3.2 and drop 2.6

ashie · ashie · commit 703972c7c44c · 2022-12-30T13:48:00.000+09:00
Signed-off-by: Takuro Ashie &lt;ashie@clear-code.com&gt;
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ '3.1', '3.0', '2.7', '2.6' ]
+        ruby: [ '3.2', '3.1', '3.0', '2.7' ]
         postgres: [ '14', '13', '12', '11', '10', '9' ]
         os:
           - ubuntu-latest
