ci: Test Emacs 30.1

Author: jcs090218

.github/workflows/test.yml

@@ -14,7 +14,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        emacs-version: [27.2, 28.2, 29.4]
+        emacs-version: [27.2, 28.2, 29.4, 30.1]
         experimental: [false]
         include:
           - os: ubuntu-latest