appveyor: Update Ruby versions

Signed-off-by: Hiroshi Hatake <[email protected]>

Author: cosmo0920

appveyor.yml

@@ -20,18 +20,14 @@ test_script:
 # https://www.appveyor.com/docs/installed-software/#ruby
 environment:
   matrix:
+    - ruby_version: "33-x64"
+    - ruby_version: "33"
+    - ruby_version: "32-x64"
+    - ruby_version: "32"
     - ruby_version: "31-x64"
     - ruby_version: "31"
     - ruby_version: "30-x64"
     - ruby_version: "30"
-    - ruby_version: "27-x64"
-    - ruby_version: "27"
-    - ruby_version: "26-x64"
-    - ruby_version: "26"
-    - ruby_version: "25-x64"
-    - ruby_version: "25"
-    - ruby_version: "24-x64"
-    - ruby_version: "24"
 
 for:
 -