Remove macOS 11 and add macOS 13 and 14.

.github/workflows/test.yml

@@ -15,17 +15,20 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-20.04, ubuntu-22.04, macos-11, macos-12, windows-2019, windows-2022 ]
+        os: [ ubuntu-20.04, ubuntu-22.04, macos-12, macos-13, macos-14, windows-2019, windows-2022 ]
         ruby: [ '1.8.7', '1.9.3', '2.0', jruby-1.7, jruby-9.0 ]
         architecture: [ default ]
         exclude:
           - os: ubuntu-22.04
             ruby: '1.8.7'
             architecture: default
-          - os: macos-11
+          - os: macos-12
             ruby: '1.8.7'
             architecture: default
-          - os: macos-12
+          - os: macos-13
+            ruby: '1.8.7'
+            architecture: default
+          - os: macos-14
             ruby: '1.8.7'
             architecture: default
           - os: windows-2019

README.md

@@ -28,7 +28,7 @@ The action works for all [GitHub-hosted runners](https://help.github.com/en/acti
 | Operating System | Recommended | Other Supported Versions |
 | ----------- | -------- | -------- |
 | Ubuntu  | `ubuntu-latest`  (= `ubuntu-20.04`) | `ubuntu-22.04` |
-| macOS   | `macos-latest`   (= `macos-11`)  | `macos-12` |
+| macOS   | `macos-latest`   (= `macos-14`)  | `macos-12`, `macos-13` |
 | Windows | `windows-latest` (= `windows-2022`) | `windows-2019` |
 
 The prebuilt releases are generated by [ruby-builder](https://github.com/philr/ruby-builder)