[nongnu] elpa/php-mode c78ea06257 1/3: Add Emacs 28.1 to CI

[ELPA Syncer]

branch: elpa/php-mode
commit c78ea06257e0a8b8415e5c722a676cd1d3a08bd0
Author: USAMI Kenta <tad...@zonu.me>
Commit: USAMI Kenta <tad...@zonu.me>

    Add Emacs 28.1 to CI
---
 .github/workflows/test.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5bd9e04a66..6432169bd9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -20,6 +20,7 @@ jobs:
           - "26.3"
           - "27.1"
           - "27.2"
+          - "28.1"
           - snapshot
         include:
           - emacs_version: snapshot