github ci: bump actions/checkout to v5

Author: d99kris

.github/workflows/linux.yml

@@ -13,6 +13,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v1
+      uses: actions/checkout@v5
     - name: Build Linux
       run: ./make.sh all

.github/workflows/macos.yml

@@ -13,6 +13,6 @@ jobs:
     runs-on: macos-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v1
+      uses: actions/checkout@v5
     - name: Build macOS
       run: ./make.sh all

CMakeLists.txt

@@ -1,5 +1,5 @@
 # Project
-cmake_minimum_required(VERSION 3.0 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.14...3.22 FATAL_ERROR)
 project(stackusage VERSION 1.0 LANGUAGES C CXX)
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 -g \
                    -Wall -Wextra -Wshadow -Wpointer-arith -Wcast-qual \

src/stackusage

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# Copyright (C) 2015-2025 Kristofer Berggren
+# Copyright (C) 2015-2026 Kristofer Berggren
 # All rights reserved.
 #
 # stackusage is distributed under the BSD 3-Clause license, see LICENSE for details.
@@ -44,9 +44,9 @@ showusage()
 
 showversion()
 {
-  echo "stackusage v1.20"
+  echo "stackusage v1.21"
   echo ""
-  echo "Copyright (C) 2015-2025 Kristofer Berggren"
+  echo "Copyright (C) 2015-2026 Kristofer Berggren"
   echo ""
   echo "stackusage is distributed under the BSD 3-Clause license."
   echo ""

src/stackusage.1

@@ -1,5 +1,5 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man.
-.TH STACKUSAGE "1" "July 2025" "stackusage v1.20" "User Commands"
+.TH STACKUSAGE "1" "May 2026" "stackusage v1.21" "User Commands"
 .SH NAME
 stackusage \- measure stack usage in applications
 .SH SYNOPSIS
@@ -60,6 +60,6 @@ Written by Kristofer Berggren
 .SH "REPORTING BUGS"
 Report bugs at https://github.com/d99kris/stackusage
 .SH COPYRIGHT
-Copyright \(co 2015\-2025 Kristofer Berggren
+Copyright \(co 2015\-2026 Kristofer Berggren
 .PP
 stackusage is distributed under the BSD 3\-Clause license.