Bump nokogiri from 1.13.7 to 1.13.9

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.13.7 to 1.13.9.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](https://github.com/sparklemotion/nokogiri/compare/v1.13.7...v1.13.9)

---
updated-dependencies:
- dependency-name: nokogiri
  dependency-type: indirect
...

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

Gemfile.lock

@@ -85,7 +85,7 @@ GEM
     diff-lcs (1.5.0)
     digest (3.1.0)
     erubi (1.10.0)
-    globalid (1.0.1)
+    globalid (1.0.0)
       activesupport (>= 5.0)
     haml (5.2.2)
       temple (>= 0.8.0)
@@ -100,7 +100,7 @@ GEM
     marcel (1.0.2)
     method_source (1.0.0)
     mini_mime (1.1.2)
-    minitest (5.17.0)
+    minitest (5.16.2)
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
     net-imap (0.2.3)
@@ -118,11 +118,11 @@ GEM
       net-protocol
       timeout
     nio4r (2.5.8)
-    nokogiri (1.13.7-arm64-darwin)
+    nokogiri (1.13.9-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.13.7-x86_64-darwin)
+    nokogiri (1.13.9-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.13.7-x86_64-linux)
+    nokogiri (1.13.9-x86_64-linux)
       racc (~> 1.4)
     racc (1.6.0)
     rack (2.2.4)
@@ -198,7 +198,7 @@ GEM
     tilt (2.0.10)
     timecop (0.9.5)
     timeout (0.3.0)
-    tzinfo (2.0.5)
+    tzinfo (2.0.4)
       concurrent-ruby (~> 1.0)
     websocket-driver (0.7.5)
       websocket-extensions (>= 0.1.0)