Drop support for 26.x

Author: jcs090218

.github/workflows/test.yml

@@ -19,7 +19,6 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
         emacs-version:
-          - 26.3
           - 27.2
           - 28.2
           - snapshot

Eask

@@ -13,7 +13,7 @@
 (source "melpa")
 (source "jcs-elpa")
 
-(depends-on "emacs" "26.1")
+(depends-on "emacs" "27.1")
 (depends-on "openai")
 (depends-on "markdown-mode")
 (depends-on "spinner")

codegpt.el

@@ -6,7 +6,7 @@
 ;; Maintainer: Shen, Jen-Chieh <jcs090218@gmail.com>
 ;; URL: https://github.com/emacs-openai/codegpt
 ;; Version: 0.1.0
-;; Package-Requires: ((emacs "26.1") (openai "0.1.0") (markdown-mode "2.1") (spinner "1.7.4"))
+;; Package-Requires: ((emacs "27.1") (openai "0.1.0") (markdown-mode "2.1") (spinner "1.7.4"))
 ;; Keywords: convenience codegpt
 
 ;; This file is not part of GNU Emacs.