CI: Update versions on Windows

Author: mrkn

.github/workflows/windows.yml

@@ -21,9 +21,12 @@ jobs:
       fail-fast: false
       matrix:
         ruby:
+        - "3.4"
+        - "3.3"
+        - "3.2"
+        - "3.1"
         - "3.0"
-        - 2.7
-        - 2.6
+        - "2.7"
         python:
         - 3.x
         python_architecture:
@@ -67,9 +70,9 @@ jobs:
       fail-fast: false
       matrix:
         ruby:
-        - "3.0"
+        - "3.4"
         python:
-        - 3.8
+        - 3.x
 
     defaults:
       run: