feat: Drop support for Emacs 26.x

Author: jcs090218

.github/workflows/test.yml

@@ -16,7 +16,6 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
         emacs-version:
-          - 26.3
           - 27.2
           - 28.2
           - 29.4

Eask

@@ -12,7 +12,7 @@
 (source 'gnu)
 (source 'melpa)
 
-(depends-on "emacs" "26.1")
+(depends-on "emacs" "27.1")
 (depends-on "dashboard")
 (depends-on "bm")
 

dashboard-bm.el

@@ -8,7 +8,7 @@
 ;;             Shen, Jen-Chieh <[email protected]>
 ;; URL: https://github.com/emacs-dashboard/dashboard-bm
 ;; Version: 0.0.1
-;; Package-Requires: ((emacs "26.1") (dashboard "1.2.5") (bm "0"))
+;; Package-Requires: ((emacs "27.1") (dashboard "1.2.5") (bm "0"))
 ;; Keywords: tools
 
 ;; This file is not part of GNU Emacs.