Bump json from 2.9.1 to 2.10.0

Bumps [json](https://github.com/ruby/json) from 2.9.1 to 2.10.0.
- [Release notes](https://github.com/ruby/json/releases)
- [Changelog](https://github.com/ruby/json/blob/master/CHANGES.md)
- [Commits](ruby/json@v2.9.1...v2.10.0)

---
updated-dependencies:
- dependency-name: json
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -150,7 +150,7 @@ GEM
     jbuilder (2.13.0)
       actionview (>= 5.0.0)
       activesupport (>= 5.0.0)
-    json (2.9.1)
+    json (2.10.0)
     logger (1.6.5)
     loofah (2.24.0)
       crass (~> 1.0.2)
@@ -434,7 +434,7 @@ CHECKSUMS
   io-console (0.8.0) sha256=cd6a9facbc69871d69b2cb8b926fc6ea7ef06f06e505e81a64f14a470fddefa2
   irb (1.15.1) sha256=d9bca745ac4207a8b728a52b98b766ca909b86ff1a504bcde3d6f8c84faae890
   jbuilder (2.13.0) sha256=7200a38a1c0081aa81b7a9757e7a299db75bc58cf1fd45ca7919a91627d227d6
-  json (2.9.1) sha256=d2bdef4644052fad91c1785d48263756fe32fcac08b96a20bb15840e96550d11
+  json (2.10.0) sha256=d5d52493a501f899644e067eebaef45944428a0a9adc59a8c10ebec2351d42c3
   logger (1.6.5) sha256=c3cfe56d01656490ddd103d38b8993d73d86296adebc5f58cefc9ec03741e56b
   loofah (2.24.0) sha256=61e6a710883abb8210887f3dc868cf3ed66594c509d9ff6987621efa6651ee1e
   mail (2.8.1) sha256=ec3b9fadcf2b3755c78785cb17bc9a0ca9ee9857108a64b6f5cfc9c0b5bfc9ad