Merge pull request #694 from emacs-php/update/support-emacs28

Support Emacs 28.1

Author: zonuexe

Diff for: .github/workflows/test.yml

@@ -20,6 +20,7 @@ jobs:
           - "26.3"
           - "27.1"
           - "27.2"
+          - "28.1"
           - snapshot
         include:
           - emacs_version: snapshot

Diff for: README.ja.md

@@ -1,7 +1,7 @@
 <div align="center">
   <h1>Emacs PHP Mode</h1>
 
-[![Emacs: 28.0](https://img.shields.io/badge/Emacs-28.0-blue.svg)](https://www.gnu.org/software/emacs/)
+[![Emacs: 28.1](https://img.shields.io/badge/Emacs-28.1-blue.svg)](https://www.gnu.org/software/emacs/)
 [![lang: PHP 8.1](https://img.shields.io/badge/lang-PHP%208.1-brightgreen.svg)](https://php.net/manual/migration81.php)
 [![lang: PHP 7](https://img.shields.io/badge/lang-PHP%207-green.svg)](https://php.net/downloads.php)
 [![Build Status](https://github.com/emacs-php/php-mode/workflows/CI/badge.svg)](https://github.com/emacs-php/php-mode/actions)
@@ -26,7 +26,7 @@ A powerful and flexible Emacs major mode for editing PHP scripts
 
 [![NonGNU ELPA][nongnu-elpa-badge]][nongnu-elpa] [![NonGNU-devel ELPA][nongnu-devel-elpa-badge]][nongnu-devel-elpa]
 
-Emacs 28 (未リリース; 次期バージョン) では[NonGNU ELPA](https://elpa.nongnu.org/)がデフォルトのパッケージリポジトリとして追加されています。
+Emacs 28 (最新安定版) では[NonGNU ELPA](https://elpa.nongnu.org/)がデフォルトのパッケージリポジトリとして追加されています。
 
 ```el
 ;; For Emacs < 28

Diff for: README.md

@@ -1,7 +1,7 @@
 <div align="center">
   <h1>Emacs PHP Mode</h1>
 
-[![Emacs: 28.0](https://img.shields.io/badge/Emacs-28.0-blue.svg)](https://www.gnu.org/software/emacs/)
+[![Emacs: 28.1](https://img.shields.io/badge/Emacs-28.1-blue.svg)](https://www.gnu.org/software/emacs/)
 [![lang: PHP 8.1](https://img.shields.io/badge/lang-PHP%208.1-brightgreen.svg)](https://php.net/manual/migration81.php)
 [![lang: PHP 7](https://img.shields.io/badge/lang-PHP%207-green.svg)](https://php.net/downloads.php)
 [![Build Status](https://github.com/emacs-php/php-mode/workflows/CI/badge.svg)](https://github.com/emacs-php/php-mode/actions)
@@ -28,7 +28,7 @@ The current support policy can be found on the [Supported Version] page.
 
 [![NonGNU ELPA][nongnu-elpa-badge]][nongnu-elpa] [![NonGNU-devel ELPA][nongnu-devel-elpa-badge]][nongnu-devel-elpa]
 
-Emacs 28 (unreleased; next major version) includes [NonGNU ELPA](https://elpa.nongnu.org/) as the default package repository.
+Emacs 28 (latest stable release) includes [NonGNU ELPA](https://elpa.nongnu.org/) as the default package repository.
 
 ```el
 ;; For Emacs < 28