Bump json from 2.6.2 to 2.6.3 (#2648)

Bumps [json](https://github.com/flori/json) from 2.6.2 to 2.6.3.
- [Release notes](https://github.com/flori/json/releases)
- [Changelog](https://github.com/flori/json/blob/master/CHANGES.md)
- [Commits](https://github.com/flori/json/compare/v2.6.2...v2.6.3)

---
updated-dependencies:
- dependency-name: json
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -83,7 +83,7 @@ GEM
     io-like (0.3.1)
     irb (1.5.1)
       reline (>= 0.3.0)
-    json (2.6.2)
+    json (2.6.3)
     matrix (0.4.2)
     maxmind-db (1.1.1)
     memoizable (0.4.2)