Update json requirement from >= 1.8.0, ~> 1.8 to >= 1.8.0, < 3.0

Updates the requirements on [json](https://github.com/flori/json) to permit the latest version.
- [Release notes](https://github.com/flori/json/releases)
- [Changelog](https://github.com/flori/json/blob/master/CHANGES.md)
- [Commits](ruby/json@v1.8.1...v2.3.0)

---
updated-dependencies:
- dependency-name: json
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -5,7 +5,7 @@ PATH
       activesupport (>= 4.0.0, < 7)
       chronic (~> 0.10, >= 0.10.0)
       elasticsearch (~> 1.0, >= 1.0.0)
-      json (~> 1.8, >= 1.8.0)
+      json (>= 1.8.0, < 3.0)
       parslet (~> 1.5, >= 1.5.0)
 
 GEM
@@ -43,7 +43,7 @@ GEM
     faraday-net_http_persistent (1.1.0)
     i18n (1.8.10)
       concurrent-ruby (~> 1.0)
-    json (1.8.6)
+    json (2.3.0)
     minitest (5.14.4)
     multi_json (1.15.0)
     multipart-post (2.1.1)

peruse.gemspec

@@ -5,7 +5,7 @@ Gem::Specification.new do |s|
   s.name                    = "peruse"
   s.version                 = Peruse::VERSION
   s.required_ruby_version   = ">= 1.9.3"
-  s.add_runtime_dependency  "json", "~> 1.8", ">= 1.8.0"
+  s.add_runtime_dependency  "json", ">= 1.8.0", "< 3.0"
   s.add_runtime_dependency  "parslet", "~> 1.5", ">= 1.5.0"
   s.add_runtime_dependency  "elasticsearch", "~> 1.0", ">= 1.0.0"
   s.add_runtime_dependency  "activesupport", ">= 4.0.0", "< 7"