ci: Test Emacs 30.1

Author: jcs090218

.github/workflows/test.yml

@@ -21,6 +21,7 @@ jobs:
         os: [ubuntu-latest, macos-latest, windows-latest]
         emacs-version:
           - "29.4"
+          - "30.1"
         experimental: [false]
         include:
           - os: ubuntu-latest