Drop support for Emacs 25

Due to transient dropping Emacs 25:
magit/transient@74b0d74

.github/workflows/main.yml

@@ -15,7 +15,6 @@ jobs:
       fail-fast: false
       matrix:
         emacs_version:
-          - 25.3
           - 26.3
           - 27.2
           - 28.1

Makefile

@@ -11,7 +11,7 @@ dependencies := transient
 dev_dependencies := package-lint
 all_deps := $(dependencies) $(dev_dependencies)
 
-test_versions := 25 26 27 28 29
+test_versions := 26 27 28 29
 
 .PHONY: test
 test: ## Compile and run unit tests

macports-core.el

@@ -192,7 +192,7 @@ If PORT not supplied, choose interactively."
   (interactive (list
                 (oref transient-current-prefix scope)
                 (transient-args transient-current-command)))
-  (let* ((all-clean-args (mapcar #'cl-caddr (substring macports-core--clean-flags-infix 1)))
+  (let* ((all-clean-args (mapcar #'caddr (substring macports-core--clean-flags-infix 1)))
          (clean-args (seq-filter (lambda (e) (member e args)) all-clean-args))
          (other-args (seq-filter (lambda (e) (not (member e clean-args))) args)))
     (macports-core--exec

macports.el

@@ -5,7 +5,7 @@
 ;; Author: Aaron Madlon-Kay
 ;; Version: 0.1.0
 ;; URL: https://github.com/amake/macports.el
-;; Package-Requires: ((emacs "25.1") (transient "0.1.0"))
+;; Package-Requires: ((emacs "26.1") (transient "0.1.0"))
 ;; Keywords: convenience
 
 ;; This file is not part of GNU Emacs.