Bump nokogiri from 1.10.10 to 1.11.0

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.10.10 to 1.11.0.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/master/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.10.10...v1.11.0)

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

Gemfile.lock

@@ -272,7 +272,7 @@ GEM
     mimemagic (0.3.5)
     mini_exiftool (2.10.0)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.0)
     minitest (5.14.2)
     moab-versioning (4.4.1)
       druid-tools (>= 1.0.0)
@@ -288,8 +288,11 @@ GEM
       net-ssh (>= 2.6.5, < 7.0.0)
     net-ssh (6.1.0)
     nio4r (2.5.4)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.0)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
+    nokogiri (1.11.0-x86_64-linux)
+      racc (~> 1.4)
     nokogiri-happymapper (0.8.1)
       nokogiri (~> 1.5)
     okcomputer (1.18.2)
@@ -313,6 +316,7 @@ GEM
       pry (>= 0.10.4)
     psych (3.2.1)
     public_suffix (4.0.6)
+    racc (1.5.2)
     rack (2.2.3)
     rack-protection (2.1.0)
       rack