Update version after jwt update

Author: btyy77c

firebase_ruby_auth.gemspec

@@ -4,7 +4,7 @@ $LOAD_PATH.unshift File.expand_path('lib', __dir__)
 
 Gem::Specification.new do |s|
   s.name        = 'firebase-token-verify'
-  s.version     = '0.1.0'
+  s.version     = '0.1.1'
   s.date        = '2019-05-30'
   s.summary     = 'Authenticate Firebase User Tokens in Ruby'
   s.description = 'Firebase Ruby Auth'