update pod version

Author: yramanchuk

FirebaseUI.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'FirebaseUI'
-  s.version      = '0.5.5'
+  s.version      = '0.5.6-rc1'
   s.summary      = 'UI binding libraries for Firebase.'
   s.homepage     = 'https://github.com/firebase/FirebaseUI-iOS'
   s.license      = { :type => 'Apache 2.0', :file => 'FirebaseUIFrameworks/LICENSE' }

FirebaseUI_dev_auth.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'FirebaseAuthUI'
-  s.version      = '0.5.5'
+  s.version      = '0.5.6-rc1'
   s.summary      = 'UI Auth Base library for Firebase.'
   s.homepage     = 'https://github.com/firebase/FirebaseUI-iOS'
   s.license      = { :type => 'Apache 2.0' }

FirebaseUI_dev_db.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'FirebaseDatabaseUI'
-  s.version      = '0.5.5'
+  s.version      = '0.5.6-rc1'
   s.summary      = 'Firebase Database UI binding library.'
   s.homepage     = 'https://github.com/firebase/FirebaseUI-iOS'
   s.license      = { :type => 'Apache 2.0' }

FirebaseUI_dev_fb.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'FirebaseFacebookAuthUI'
-  s.version      = '0.5.5'
+  s.version      = '0.5.6-rc1'
   s.summary      = 'Facebook UI binding library for Firebase.'
   s.homepage     = 'https://github.com/firebase/FirebaseUI-iOS'
   s.license      = { :type => 'Apache 2.0' }

FirebaseUI_dev_ggl.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'FirebaseGoogleAuthUI'
-  s.version      = '0.5.5'
+  s.version      = '0.5.6-rc1'
   s.summary      = 'Google UI binding library for Firebase.'
   s.homepage     = 'https://github.com/firebase/FirebaseUI-iOS'
   s.license      = { :type => 'Apache 2.0' }

FirebaseUI_dev_tw.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'FirebaseTwitterAuthUI'
-  s.version      = '0.5.5'
+  s.version      = '0.5.6-rc1'
   s.summary      = 'Twitter UI binding library for Firebase.'
   s.homepage     = 'https://github.com/firebase/FirebaseUI-iOS'
   s.license      = { :type => 'Apache 2.0' }