Consistent with core, most WMF extensions, and boilerplate as
documented in extensions/README and elsewhere; as per T316722.
Change-Id: I02cfcb2bd3debf877d1cbf8654dff4a98dd354ad
We run MediaWiki from directories like "php-1.39.0-wmf.26",
whose names include dots, making these scripts impossible to run.
Bug: T316548
Change-Id: Ic318939cea6eafb1a0cd3105517e45c9fca52f4b