ci: support 30.1

Author: seagle0128

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        emacs-version: [25.1, 25.3, 26.3, 27.2, 28.2, 29.3]
+        emacs-version: [25.1, 25.3, 26.3, 27.2, 28.2, 29.4, 30.1]
         experimental: [false]
         include:
           - os: ubuntu-latest