test on more recent OSs, not on macOS

Author: jpn--

.github/workflows/run-tests.yml

@@ -60,8 +60,8 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: ["ubuntu-latest", "macos-latest", "windows-latest"]
-        python-version: ["3.10", "3.11", "3.12"]
+        os: ["ubuntu-latest", "windows-latest"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
       fail-fast: false
     defaults:
       run: