Bump mechanize from 2.7.6 to 2.7.7

Bumps [mechanize](https://github.com/sparklemotion/mechanize) from 2.7.6 to 2.7.7.
- [Release notes](https://github.com/sparklemotion/mechanize/releases)
- [Changelog](https://github.com/sparklemotion/mechanize/blob/master/CHANGELOG.rdoc)
- [Commits](https://github.com/sparklemotion/mechanize/compare/v2.7.6...v2.7.7)

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

Gemfile.lock

@@ -12,8 +12,8 @@ GEM
   specs:
     addressable (2.6.0)
       public_suffix (>= 2.0.2, < 4.0)
-    connection_pool (2.2.2)
-    domain_name (0.5.20180417)
+    connection_pool (2.2.3)
+    domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
     http (3.3.0)
       addressable (~> 2.3)
@@ -25,7 +25,7 @@ GEM
     http-form_data (2.1.1)
     http_parser.rb (0.6.0)
     httpclient (2.6.0.1)
-    mechanize (2.7.6)
+    mechanize (2.7.7)
       domain_name (~> 0.5, >= 0.5.1)
       http-cookie (~> 1.0)
       mime-types (>= 1.17.2)
@@ -33,15 +33,16 @@ GEM
       net-http-persistent (>= 2.5.2)
       nokogiri (~> 1.6)
       ntlm-http (~> 0.1, >= 0.1.1)
+      webrick (~> 1.7)
       webrobots (>= 0.0.9, < 0.2)
-    mime-types (3.2.2)
+    mime-types (3.3.1)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2018.0812)
+    mime-types-data (3.2020.1104)
     mini_portile2 (2.4.0)
     net-http-digest_auth (1.4.1)
-    net-http-persistent (3.0.0)
+    net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
-    nokogiri (1.10.8)
+    nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     ntlm-http (0.1.1)
     public_suffix (3.0.3)
@@ -53,7 +54,8 @@ GEM
       mechanize (~> 2.7)
     unf (0.1.4)
       unf_ext
-    unf_ext (0.0.7.5)
+    unf_ext (0.0.7.7)
+    webrick (1.7.0)
     webrobots (0.1.2)
 
 PLATFORMS