Bump omniauth-facebook from 4.0.0 to 5.0.0

Bumps [omniauth-facebook](https://github.com/mkdynamic/omniauth-facebook) from 4.0.0 to 5.0.0.
- [Release notes](https://github.com/mkdynamic/omniauth-facebook/releases)
- [Changelog](https://github.com/mkdynamic/omniauth-facebook/blob/master/CHANGELOG.md)
- [Commits](simi/omniauth-facebook@v4.0.0...v5.0.0)

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -105,7 +105,7 @@ GEM
       guard (~> 2.1)
       guard-compat (~> 1.1)
       rspec (>= 2.99.0, < 4.0)
-    hashie (3.5.6)
+    hashie (3.5.7)
     i18n (0.9.0)
       concurrent-ruby (~> 1.0)
     interception (0.5)
@@ -127,7 +127,7 @@ GEM
     mime-types-data (3.2016.0521)
     mini_portile2 (2.3.0)
     minitest (5.10.3)
-    multi_json (1.12.2)
+    multi_json (1.13.1)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
     mustache (1.0.5)
@@ -145,19 +145,19 @@ GEM
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
       rack (>= 1.2, < 3)
-    omniauth (1.7.1)
+    omniauth (1.8.1)
       hashie (>= 3.4.6, < 3.6.0)
       rack (>= 1.6.2, < 3)
-    omniauth-facebook (4.0.0)
+    omniauth-facebook (5.0.0)
       omniauth-oauth2 (~> 1.2)
     omniauth-github (1.3.0)
       omniauth (~> 1.5)
       omniauth-oauth2 (>= 1.4.0, < 2.0)
     omniauth-oauth (1.1.0)
       oauth
       omniauth (~> 1.0)
-    omniauth-oauth2 (1.4.0)
-      oauth2 (~> 1.0)
+    omniauth-oauth2 (1.5.0)
+      oauth2 (~> 1.1)
       omniauth (~> 1.2)
     omniauth-twitter (1.4.0)
       omniauth-oauth (~> 1.1)