add `composer-patches` compatibility & faster RegEx

[xerc]

https://docs.cweagans.net/composer-patches/usage/configuration/#default-patch-depth

--- /dev/null
+++ ../Classes/ViewHelpers/Format/HtmlentitiesViewHelper.php

==>> git format-patch "format"

--- a/Classes/ViewHelpers/Format/HtmlentitiesViewHelper.php
+++ b/Classes/ViewHelpers/Format/HtmlentitiesViewHelper.php

[xerc]

how about the current timestamp after (second line) filename?

[xerc]

would be nice to have additionall tests

• no-existing file -> create

--- /dev/null
+++ b/file.php

• existing file -> deleteted

--- a/file.php
+++ /dev/null