DevKit updates (#677)

Author: SonataCI

README.md

@@ -19,7 +19,7 @@ Symfony Sonata / Integrate Doctrine MongoDB ODM into the SonataAdminBundle
 
 Branch | Github Actions | Code Coverage | Documentation |
 ------ | -------------- | ------------- | ------------- |
-4.x | [![Test][test_stable_badge]][test_stable_link] | [![Coverage Status][coverage_stable_badge]][coverage_stable_link] | [![Documentation Status][documentation_stable_badge]][documentation_stable_link]     |
+4.x | [![Test][test_stable_badge]][test_stable_link] | [![Coverage Status][coverage_stable_badge]][coverage_stable_link] | [![Documentation Status][documentation_stable_badge]][documentation_stable_link] |
 5.x | [![Test][test_unstable_badge]][test_unstable_link] | [![Coverage Status][coverage_unstable_badge]][coverage_unstable_link] | [![Documentation Status][documentation_unstable_badge]][documentation_unstable_link] |
 
 ## Documentation