https://git.ruby-lang.org/ruby.git/commit/?id=77804be457

From 77804be4577f53f3f151bc6cf7ec754c928207f5 Mon Sep 17 00:00:00 2001
From: Kazuhiro NISHIYAMA <zn@m...>
Date: Fri, 1 Oct 2021 10:14:43 +0900
Subject: Use macos-10.15 and macos-11 instead of macos-latest

https://github.blog/changelog/2021-09-29-github-actions-jobs-running-on-macos-latest-are-now-running-on-macos-big-sur-11/
---
 .github/workflows/macos.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 0a2d7ea73b..daaea69ecb 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -2,13 +2,14 @@ name: macOS https://github.com/ruby/ruby/blob/trunk/.github/workflows/macos.yml#L2
 on: [push, pull_request]
 jobs:
   make:
-    runs-on: macos-latest
     strategy:
       matrix:
+        os: [macos-10.15, macos-11]
         test_task: [ "check", "test-bundler-parallel" ] #, "test-bundled-gems" ] matrix tests has unknown issues
       fail-fast: false
     env:
       GITPULLOPTIONS: --no-tags origin ${{github.ref}}
+    runs-on: ${{ matrix.os }}
     steps:
       - run: mkdir build
         working-directory:
-- 
cgit v1.2.1


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