fix(workflow): Update Emacs version symbol for Travis CI workflow

Author: jcs090218

lisp/generate/workflow/travis-ci.el

@@ -40,13 +40,13 @@
             (let ((column (current-column)))
               (delete-region (line-beginning-position) (line-end-position))
               (when (version<= minimum-version "26.1")
-                (insert (spaces-string column) "- EVM_EMACS=emacs-26.3-travis-linux-xenial" "\n"))
+                (insert (spaces-string column) "- EMACS_CI=emacs-26-3" "\n"))
               (when (version<= minimum-version "27.1")
-                (insert (spaces-string column) "- EVM_EMACS=emacs-27.2-travis-linux-xenial" "\n"))
+                (insert (spaces-string column) "- EMACS_CI=emacs-27-2" "\n"))
               (when (version<= minimum-version "28.1")
-                (insert (spaces-string column) "- EVM_EMACS=emacs-28.2-travis-linux-xenial" "\n"))
+                (insert (spaces-string column) "- EMACS_CI=emacs-28-2" "\n"))
               (when (version<= minimum-version "29.1")
-                (insert (spaces-string column) "- EVM_EMACS=emacs-git-snapshot-travis-linux-xenial"))))
+                (insert (spaces-string column) "- EMACS_CI=emacs-snapshot"))))
           (save-buffer))
         "done ✓")
       (eask-info "✓ Successfully created the yaml file in `%s`" filename))))