Update license year

Author: hlecorche

.github/workflows/tests.yml

@@ -67,3 +67,7 @@ jobs:
             -   name: Run PHP CS Fixer
                 if: matrix.coding-standards
                 run: php vendor/friendsofphp/php-cs-fixer/php-cs-fixer fix --diff --dry-run -v
+
+            -   name: Check license year
+                if: matrix.coding-standards
+                run: cat LICENSE |grep -E "\(c\) ([0-9]+\-)*`date +%G`"

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2020 E-COMMIT
+Copyright (c) 2020-2022 E-COMMIT
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal