Update ruby gems.

Gemfile.lock

@@ -83,7 +83,7 @@ GEM
       sshkit (>= 1.6.1, != 1.7.0)
     awesome_print (1.8.0)
     aws-eventstream (1.0.3)
-    aws-partitions (1.273.0)
+    aws-partitions (1.275.0)
     aws-sdk-core (3.90.1)
       aws-eventstream (~> 1.0, >= 1.0.2)
       aws-partitions (~> 1, >= 1.239.0)
@@ -173,7 +173,7 @@ GEM
     http-form_data (2.2.0)
     http-parser (1.2.1)
       ffi-compiler (>= 1.0, < 2.0)
-    httparty (0.17.3)
+    httparty (0.18.0)
       mime-types (~> 3.0)
       multi_xml (>= 0.5.2)
     i18n (1.8.2)
@@ -238,7 +238,7 @@ GEM
     net-sftp (2.1.2)
       net-ssh (>= 2.6.5)
     net-ssh (5.2.0)
-    newrelic_rpm (6.8.0.360)
+    newrelic_rpm (6.9.0.363)
     nio4r (2.5.2)
     nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
@@ -315,7 +315,7 @@ GEM
     recaptcha (5.3.0)
       json
     redis (4.1.3)
-    regexp_parser (1.6.0)
+    regexp_parser (1.7.0)
     request_store (1.5.0)
       rack (>= 1.4)
     responders (3.0.0)
@@ -338,15 +338,15 @@ GEM
       childprocess (>= 0.5, < 4.0)
       rubyzip (>= 1.2.2)
     shoulda-context (1.2.2)
-    shoulda-matchers (4.2.0)
+    shoulda-matchers (4.3.0)
       activesupport (>= 4.2.0)
     simple_form (5.0.2)
       actionpack (>= 5.0)
       activemodel (>= 5.0)
-    simplecov (0.18.2)
+    simplecov (0.18.3)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
-    simplecov-html (0.12.0)
+    simplecov-html (0.12.1)
     sinatra (2.0.8.1)
       mustermann (~> 1.0)
       rack (~> 2.0)