Land #9785, bump rubies to address latest security issues

.ruby-version

@@ -1 +1 @@
-2.5.0
+2.5.1

.travis.yml

@@ -11,9 +11,9 @@ addons:
       - graphviz
 language: ruby
 rvm:
-  - '2.3.6'
-  - '2.4.3'
-  - '2.5.0'
+  - '2.3.7'
+  - '2.4.4'
+  - '2.5.1'
 
 env:
   - CMD='bundle exec rake rspec-rerun:spec SPEC_OPTS="--tag content"'

Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:2.5.0-alpine3.7
+FROM ruby:2.5.1-alpine3.7
 LABEL maintainer="Rapid7"
 
 ARG BUNDLER_ARGS="--jobs=8 --without development test coverage"

Gemfile.lock

@@ -133,40 +133,16 @@ GEM
       multipart-post (>= 1.2, < 3)
     filesize (0.1.1)
     fivemat (1.3.6)
-    google-protobuf (3.5.1)
-    googleapis-common-protos-types (1.0.1)
-      google-protobuf (~> 3.0)
-    googleauth (0.6.2)
-      faraday (~> 0.12)
-      jwt (>= 1.4, < 3.0)
-      logging (~> 2.0)
-      memoist (~> 0.12)
-      multi_json (~> 1.11)
-      os (~> 0.9)
-      signet (~> 0.7)
-    grpc (1.8.3)
-      google-protobuf (~> 3.1)
-      googleapis-common-protos-types (~> 1.0.0)
-      googleauth (>= 0.5.1, < 0.7)
     hashery (2.1.2)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     jsobfu (0.4.2)
       rkelly-remix
     json (2.1.0)
-    jwt (2.1.0)
-    little-plugger (1.1.4)
-    logging (2.2.2)
-      little-plugger (~> 1.1)
-      multi_json (~> 1.10)
     loofah (2.2.2)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    memoist (0.16.0)
     metasm (1.0.3)
-    metasploit-aggregator (1.0.0)
-      grpc
-      rex-arch
     metasploit-concern (2.0.5)
       activemodel (~> 4.2.6)
       activesupport (~> 4.2.6)
@@ -202,7 +178,6 @@ GEM
     minitest (5.11.3)
     mqtt (0.5.0)
     msgpack (1.2.4)
-    multi_json (1.13.1)
     multipart-post (2.0.0)
     nessus_rest (0.1.6)
     net-ssh (4.2.0)
@@ -214,7 +189,6 @@ GEM
       sawyer (~> 0.8.0, >= 0.5.3)
     openssl-ccm (1.2.1)
     openvas-omp (0.0.4)
-    os (0.9.6)
     packetfu (1.1.13)
       pcaprub
     patch_finder (1.0.2)
@@ -339,11 +313,6 @@ GEM
     sawyer (0.8.1)
       addressable (>= 2.3.5, < 2.6)
       faraday (~> 0.8, < 1.0)
-    signet (0.8.1)
-      addressable (~> 2.3)
-      faraday (~> 0.9)
-      jwt (>= 1.5, < 3.0)
-      multi_json (~> 1.10)
     simplecov (0.16.1)
       docile (~> 1.1)
       json (>= 1.8, < 3)
@@ -381,9 +350,6 @@ PLATFORMS
 DEPENDENCIES
   factory_bot_rails
   fivemat
-  google-protobuf (= 3.5.1)
-  grpc (= 1.8.3)
-  metasploit-aggregator
   metasploit-framework!
   octokit
   pry