Remove macos-12 from GHA

Author: Flamefire

.github/workflows/ci.yml

@@ -275,7 +275,6 @@ jobs:
         include:
           - os: ubuntu-20.04
           - os: ubuntu-22.04
-          - os: macos-12
           - os: macos-13
           - os: macos-14
 
@@ -323,7 +322,6 @@ jobs:
         include:
           - os: ubuntu-20.04
           - os: ubuntu-22.04
-          - os: macos-12
           - os: macos-13
           - os: macos-14
 
@@ -381,7 +379,6 @@ jobs:
         include:
           - os: ubuntu-20.04
           - os: ubuntu-22.04
-          - os: macos-12
           - os: macos-13
           - os: macos-14