[Security] Bump nokogiri from 1.10.3 to 1.11.7

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.10.3 to 1.11.7. **This update includes security fixes.**
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.10.3...v1.11.7)

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

Gemfile.lock

@@ -127,19 +127,22 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.3)
     minitest (5.11.3)
     multi_json (1.13.1)
     netrc (0.11.0)
     nio4r (2.3.1)
-    nokogiri (1.10.3)
-      mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.3-x64-mingw32)
-      mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.3-x86-mingw32)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.7)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
+    nokogiri (1.11.7-x64-mingw32)
+      racc (~> 1.4)
+    nokogiri (1.11.7-x86-mingw32)
+      racc (~> 1.4)
     orm_adapter (0.5.0)
     parallel (1.12.1)
     parser (2.5.3.0)
@@ -153,6 +156,7 @@ GEM
     puma (3.12.0)
     pundit (2.0.0)
       activesupport (>= 3.0.0)
+    racc (1.5.2)
     rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)