Bump nokogiri from 1.10.4 to 1.10.10 in /test-api

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.10.4 to 1.10.10.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.10.4...v1.10.10)

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

Author: dependabot[bot]

test-api/Gemfile.lock

@@ -76,13 +76,15 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
     msgpack (1.2.4)
     nio4r (2.3.1)
-    nokogiri (1.10.4)
+    nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     puma (3.12.0)
     rack (2.0.6)