Upgrade CI workflow to Emacs 30.1 (#461)

Author: fapdash

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
     steps:
       - uses: purcell/setup-emacs@7a92187aa5b5a3b854cbdfa47499fbd3d1207163
         with:
-          version: 29.4
+          version: 30.1
 
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.0.0