update omniauth to 1.9.1

Gemfile

@@ -158,7 +158,7 @@ gem "secure_headers", "6.3.0"
 
 # Services
 
-gem "omniauth",           "1.9.0"
+gem "omniauth",           "1.9.1"
 gem "omniauth-tumblr",    "1.2"
 gem "omniauth-twitter",   "1.4.0"
 gem "omniauth-wordpress", "0.2.2"

Gemfile.lock

@@ -312,7 +312,7 @@ GEM
       sprockets (>= 2.0.0)
       tilt (>= 1.2)
     hashdiff (1.0.1)
-    hashie (3.6.0)
+    hashie (4.1.0)
     http (3.3.0)
       addressable (~> 2.3)
       http-cookie (~> 1.0)
@@ -430,8 +430,8 @@ GEM
     octokit (4.17.0)
       faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
-    omniauth (1.9.0)
-      hashie (>= 3.4.6, < 3.7.0)
+    omniauth (1.9.1)
+      hashie (>= 3.4.6)
       rack (>= 1.6.2, < 3)
     omniauth-oauth (1.1.0)
       oauth
@@ -847,7 +847,7 @@ DEPENDENCIES
   mobile-fu (= 1.4.0)
   mysql2 (= 0.5.3)
   nokogiri (= 1.10.9)
-  omniauth (= 1.9.0)
+  omniauth (= 1.9.1)
   omniauth-tumblr (= 1.2)
   omniauth-twitter (= 1.4.0)
   omniauth-wordpress (= 0.2.2)