Merge pull request #196 from jcs-PR/ci/improve

ci: Test newer Emacs version

Author: josteink

.github/workflows/build.yml

@@ -16,7 +16,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, windows-latest]
         experimental: [false]
-        emacs-version: [26.1, 26.2, 26.3, 27.1, 27.2, 28.1]
+        emacs-version: [26.3, 27.2, 28.2, 29.4, 30.2]
         include:
         - emacs-version: snapshot
           experimental: true
@@ -28,7 +28,7 @@ jobs:
 
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: jcs090218/setup-emacs@master
         with: