Bump mechanize from 2.7.6 to 2.7.7 (#91)

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](sparklemotion/mechanize@v2.7.6...v2.7.7)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -10,7 +10,7 @@ GEM
     addressable (2.4.0)
     builder (3.2.3)
     concurrent-ruby (1.1.6)
-    connection_pool (2.2.2)
+    connection_pool (2.2.3)
     coveralls (0.8.23)
       json (>= 1.8, < 3)
       simplecov (~> 0.16.1)
@@ -56,27 +56,29 @@ GEM
       semver2
     json (2.3.1)
     jwt (2.2.1)
-    mechanize (2.7.6)
+    mechanize (2.7.7)
       domain_name (~> 0.5, >= 0.5.1)
       http-cookie (~> 1.0)
       mime-types (>= 1.17.2)
       net-http-digest_auth (~> 1.1, >= 1.1.1)
       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 (2.99.3)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.0)
     minitest (5.14.1)
     multi_json (1.13.1)
     multi_xml (0.6.0)
     multipart-post (2.1.1)
     net-http-digest_auth (1.4.1)
-    net-http-persistent (3.1.0)
+    net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
     netrc (0.11.0)
-    nokogiri (1.10.8)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.1)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     ntlm-http (0.1.1)
     oauth2 (1.4.1)
       faraday (>= 0.8, < 0.16.0)
@@ -85,6 +87,7 @@ GEM
       multi_xml (~> 0.5)
       rack (>= 1.2, < 3)
     psych (3.1.0)
+    racc (1.5.2)
     rack (2.2.3)
     rake (12.3.3)
     rdoc (6.2.0)
@@ -122,12 +125,13 @@ GEM
       thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext
-    unf_ext (0.0.7.6)
+    unf_ext (0.0.7.7)
     vcr (5.0.0)
     webmock (3.7.1)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
+    webrick (1.7.0)
     webrobots (0.1.2)
     yard (0.9.20)
     zeitwerk (2.3.0)