refactor(removed fastlane plugin)

Co-authored-by: Sebastian Palmqvist <PalmN72@users.noreply.github.com>

apps/skolplattformen-app-new/Gemfile.lock

@@ -165,7 +165,6 @@ GEM
       xcodeproj (>= 1.13.0, < 2.0.0)
       xcpretty (~> 0.3.0)
       xcpretty-travis-formatter (>= 0.0.3)
-    fastlane-plugin-increment_version_code (0.4.3)
     ffi (1.16.3)
     fourflusher (2.3.1)
     fuzzy_match (2.0.4)
@@ -290,7 +289,6 @@ DEPENDENCIES
   cocoapods (~> 1.12)
   dotenv
   fastlane
-  fastlane-plugin-increment_version_code
 
 RUBY VERSION
    ruby 3.2.2p53