build: Test on Ruby 3.4

Signed-off-by: Dmitry Dygalo <dmitry@dygalo.dev>

Author: Stranger6667

.github/workflows/build.yml

@@ -504,7 +504,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-22.04, macos-13, windows-2022]
-        ruby-version: ["3.2", "3.3"]
+        ruby-version: ["3.2", "3.3", "3.4"]
 
     name: Ruby ${{ matrix.ruby-version }} on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}

bindings/ruby/README.md

@@ -41,7 +41,7 @@ into:
 - Can process multiple documents in parallel
 - Works on Linux, Windows, and macOS
 - Supports HTML5 & CSS3
-- Tested on Ruby 3.2, and 3.3.
+- Tested on Ruby 3.2, 3.3, and 3.4.
 
 ## Playground