Bump webmock from 1.8.11 to 3.4.2

Bumps [webmock](https://github.com/bblimke/webmock) from 1.8.11 to 3.4.2.
- [Release notes](https://github.com/bblimke/webmock/releases)
- [Changelog](https://github.com/bblimke/webmock/blob/master/CHANGELOG.md)
- [Commits](https://github.com/bblimke/webmock/compare/v1.8.11...v3.4.2)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Gemfile.lock

@@ -432,6 +432,7 @@ GEM
       rspec (>= 2.99.0, < 4.0)
     haml (4.0.4)
       tilt
+    hashdiff (0.3.7)
     highline (1.6.15)
     hike (1.2.3)
     http_parser.rb (0.6.0)
@@ -533,7 +534,7 @@ GEM
     pry-byebug (3.4.3)
       byebug (>= 9.0, < 9.1)
       pry (~> 0.10)
-    public_suffix (3.0.0)
+    public_suffix (3.0.3)
     rabl (0.7.2)
       activesupport (>= 2.3.14)
       multi_json (~> 1.0)
@@ -691,9 +692,10 @@ GEM
       railties (>= 3.0)
     warden (1.2.7)
       rack (>= 1.0)
-    webmock (1.8.11)
-      addressable (>= 2.2.7)
-      crack (>= 0.1.7)
+    webmock (3.4.2)
+      addressable (>= 2.3.6)
+      crack (>= 0.3.2)
+      hashdiff
     websocket-driver (0.7.0)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.2)