Bump nokogiri from 1.10.8 to 1.11.1 in /source/scripts/ruby/blog/source

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.10.8 to 1.11.1.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/master/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.10.8...v1.11.1)

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

Author: dependabot[bot]

source/scripts/ruby/blog/source/Gemfile.lock

@@ -74,13 +74,15 @@ GEM
       mini_mime (>= 0.1.1)
     method_source (0.9.2)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.0)
     minitest (5.11.3)
     nio4r (2.5.2)
-    nokogiri (1.10.8)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.1)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     puma (4.3.5)
       nio4r (~> 2.0)
+    racc (1.5.2)
     rack (2.2.3)
     rack-test (0.6.3)
       rack (>= 1.0)