Bump nokogiri from 1.15.5 to 1.16.2 in /blog

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.15.5 to 1.16.2.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.15.5...v1.16.2)

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

Signed-off-by: dependabot[bot] <[email protected]>

blog/Gemfile.lock

@@ -166,7 +166,6 @@ GEM
     matrix (0.4.2)
     method_source (1.0.0)
     mini_mime (1.1.5)
-    mini_portile2 (2.8.5)
     minitest (5.20.0)
     msgpack (1.4.4)
     net-imap (0.4.8)
@@ -179,8 +178,9 @@ GEM
     net-smtp (0.4.0)
       net-protocol
     nio4r (2.7.0)
-    nokogiri (1.15.5)
-      mini_portile2 (~> 2.8.2)
+    nokogiri (1.16.2-x86_64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.16.2-x86_64-linux)
       racc (~> 1.4)
     psych (5.1.2)
       stringio