chore: update copyright year and add annual update workflow

Author: Harry Stevens

.github/workflows/update-copyright.yml

@@ -0,0 +1,24 @@
+name: Update Copyright Year
+
+on:
+  schedule:
+    - cron: "0 0 1 1 *"
+  workflow_dispatch:
+
+jobs:
+  update-copyright:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+    steps:
+      - uses: actions/checkout@v4
+      - name: Update copyright year in LICENSE
+        run: sed -i "s/Copyright (c) 2020-[0-9]*/Copyright (c) 2020-$(date +%Y)/" LICENSE
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v7
+        with:
+          commit-message: "chore: update copyright year to $(date +%Y)"
+          title: "chore: update copyright year to $(date +%Y)"
+          branch: update-copyright-year
+          body: Automated copyright year update.

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2024 Harry Stevens
+Copyright (c) 2020-2026 Harry Stevens
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal