Merge pull request #491 from emacs-lsp/ci/30.1

ci: Test Emacs 30.1

Author: jcs090218

.github/workflows/test.yml

@@ -20,6 +20,7 @@ jobs:
           - 27.2
           - 28.2
           - 29.4
+          - 30.1
         experimental: [false]
         include:
           - os: ubuntu-latest