fix(ci): sync lockfiles with gemspec version and phlex constraint

Author: djalmaaraujo

docs/Gemfile.lock

@@ -15,7 +15,7 @@ GIT
 PATH
   remote: ../gem
   specs:
-    ruby_ui (1.1.0)
+    ruby_ui (1.2.0)
 
 GEM
   remote: https://rubygems.org/

gem/Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    ruby_ui (1.1.0)
+    ruby_ui (1.2.0)
 
 GEM
   remote: https://rubygems.org/
@@ -60,7 +60,7 @@ PLATFORMS
 
 DEPENDENCIES
   minitest (~> 5.0)
-  phlex (>= 2.1.2)
+  phlex (~> 2.1, >= 2.1.2)
   rake (~> 13.0)
   rouge (~> 4.2.0)
   ruby_ui!