Update dependency fastlane to v2.229.1

Author: renovate[bot]

Gemfile.lock

@@ -2,9 +2,6 @@ GEM
   remote: https://rubygems.org/
   specs:
     CFPropertyList (3.0.8)
-      base64
-      nkf
-      rexml
     abbrev (0.1.2)
     addressable (2.8.8)
       public_suffix (>= 2.0.2, < 8.0)
@@ -176,7 +173,6 @@ GEM
     mutex_m (0.3.0)
     nanaimo (0.4.0)
     naturally (2.3.0)
-    nkf (0.2.0)
     optparse (0.8.0)
     os (1.1.4)
     plist (3.7.2)