Fix gettext on locale bug (#634)

* Fix gettext locale sanity check failure bug

* Fix phpstan

* Add tests

* Add additional attr build configure args

* Remove windows test

* Fix attr configure arg

* Fix attr configure bug on gnu docker and alpine docker

* Add gettext-devel for doctor

* weird change for gnu docker container (#643)

Co-authored-by: Marc Henderkes <m.henderkes@pc-college.de>

---------

Co-authored-by: Marc <m@pyc.ac>
Co-authored-by: Marc Henderkes <m.henderkes@pc-college.de>

config/ext.json

@@ -116,7 +116,7 @@
     },
     "ffi": {
         "support": {
-            "Linux": "no",
+            "Linux": "partial",
             "BSD": "wip"
         },
         "notes": true,