From a1187996310e11497dd82faa2c7c8722e07571a6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Ho=C5=99e=C5=88ovsk=C3=BD?=
 <martin.horenovsky@gmail.com>
Date: Wed, 3 Aug 2022 23:44:49 +0200
Subject: [PATCH] Switch MacOS image to macos-12 in Github Actions

Also updated GCC version to GCC-11, which is packaged in the
runner image.
---
 .github/workflows/mac-builds.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/mac-builds.yml b/.github/workflows/mac-builds.yml
index 5bcc3541..0ad5982d 100644
--- a/.github/workflows/mac-builds.yml
+++ b/.github/workflows/mac-builds.yml
@@ -4,11 +4,11 @@ on: [push, pull_request]
 
 jobs:
   build:
-    runs-on: macos-10.15
+    runs-on: macos-12
     strategy:
       matrix:
         cxx:
-          - g++-9
+          - g++-11
           - clang++
         build_type: [Debug, Release]
         std: [14, 17]