Update dependencies

Gemfile.lock

@@ -80,7 +80,7 @@ GEM
     capistrano-passenger (0.2.0)
       capistrano (~> 3.0)
     capistrano-shared_configs (0.2.2)
-    capybara (3.3.0)
+    capybara (3.3.1)
       addressable
       mini_mime (>= 0.1.3)
       nokogiri (~> 1.8)
@@ -93,9 +93,9 @@ GEM
       deep_merge (~> 1.2.1)
       dry-validation (>= 0.10.4)
     confstruct (0.2.7)
-    coveralls (0.8.21)
+    coveralls (0.8.22)
       json (>= 1.8, < 3)
-      simplecov (~> 0.14.1)
+      simplecov (~> 0.16.1)
       term-ansicolor (~> 1.3)
       thor (~> 0.19.4)
       tins (~> 1.6)
@@ -112,7 +112,7 @@ GEM
       capistrano-bundle_audit (>= 0.1.0)
       capistrano-one_time_key
       capistrano-shared_configs
-    docile (1.1.5)
+    docile (1.3.1)
     domain_name (0.5.20180417)
       unf (>= 0.0.5, < 1.0.0)
     dor-rights-auth (1.3.0)
@@ -170,7 +170,7 @@ GEM
       dry-equalizer (~> 0.2)
       dry-inflector (~> 0.1, >= 0.1.2)
       dry-logic (~> 0.4, >= 0.4.2)
-    dry-validation (0.12.0)
+    dry-validation (0.12.1)
       concurrent-ruby (~> 1.0)
       dry-configurable (~> 0.1, >= 0.1.3)
       dry-core (~> 0.2, >= 0.2.1)
@@ -244,7 +244,7 @@ GEM
     net-ssh (5.0.2)
     netrc (0.11.0)
     nio4r (2.3.1)
-    nokogiri (1.8.3)
+    nokogiri (1.8.4)
       mini_portile2 (~> 2.3.0)
     nokogiri-happymapper (0.6.0)
       nokogiri (~> 1.5)
@@ -259,7 +259,7 @@ GEM
       nokogiri (>= 1.4.2)
       solrizer (~> 3.3)
     parallel (1.12.1)
-    parser (2.5.1.0)
+    parser (2.5.1.1)
       ast (~> 2.4.0)
     powerpack (0.1.2)
     public_suffix (3.0.2)
@@ -371,9 +371,9 @@ GEM
       rest-client
     safe_yaml (1.0.4)
     scrub_rb (1.0.1)
-    sequel (5.9.0)
-    simplecov (0.14.1)
-      docile (~> 1.1.0)
+    sequel (5.10.0)
+    simplecov (0.16.1)
+      docile (~> 1.1)
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.2)
@@ -395,7 +395,7 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
-    sshkit (1.16.1)
+    sshkit (1.17.0)
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)
     stanford-mods (2.5.1)