[nongnu] elpa/buttercup ceedad5efa: Test on GNU Emacs 28.1

[ELPA Syncer]

branch: elpa/buttercup
commit ceedad5efa797e860dbb356bc2c3028a4e0321ec
Author: Ola Nilsson <ola.nils...@gmail.com>
Commit: Ola Nilsson <ola.nils...@gmail.com>

    Test on GNU Emacs 28.1
---
 .github/workflows/test.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7906981f56..d19c3f0615 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -29,6 +29,7 @@ jobs:
           - 26.2
           - 26.3
           - 27.1
+          - 28.1
           - snapshot
     steps:
     - uses: purcell/setup-emacs@master