ci: drop macos support

See pkgcraft/pkgcraft#70.

Author: radhermit

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-latest]
         python-version: ['3.9', '3.10', '3.11']
 
     steps:

.github/workflows/deploy.yml

@@ -16,9 +16,6 @@ jobs:
             arch: 'aarch64'
           - os: ubuntu-latest
             arch: 'ppc64le'
-          - os: macos-latest
-            arch: 'x86_64'
-            macos-target: '11.0'
     runs-on: ${{ matrix.os }}
     env:
       MACOSX_DEPLOYMENT_TARGET: ${{ matrix.macos-target }}