chore: Update nokogiri from 1.18.8 to 1.18.9 (#5677)

Update mini_portile2 from 2.8.8 to 2.8.9 and nokogiri from 1.18.8 to 1.18.9.

Fixes a dependabot alert https://github.com/getsentry/sentry-cocoa/security/dependabot/22.

Author: philipphofmann

Gemfile.lock

@@ -235,7 +235,7 @@ GEM
     mime-types-data (3.2023.1003)
     mini_magick (4.13.2)
     mini_mime (1.1.5)
-    mini_portile2 (2.8.8)
+    mini_portile2 (2.8.9)
     minitest (5.25.1)
     molinillo (0.8.0)
     multi_json (1.15.0)
@@ -246,7 +246,7 @@ GEM
     naturally (2.3.0)
     netrc (0.11.0)
     nkf (0.2.0)
-    nokogiri (1.18.8)
+    nokogiri (1.18.9)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     optparse (0.6.0)