Bump json from 2.15.1 to 2.15.2 (#64)

Bumps [json](https://github.com/ruby/json) from 2.15.1 to 2.15.2.
- [Release notes](https://github.com/ruby/json/releases)
- [Changelog](https://github.com/ruby/json/blob/master/CHANGES.md)
- [Commits](ruby/json@v2.15.1...v2.15.2)

---
updated-dependencies:
- dependency-name: json
  dependency-version: 2.15.2
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -81,7 +81,7 @@ GEM
       jekyll (>= 3.8, < 5.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    json (2.15.1)
+    json (2.15.2)
     kramdown (2.5.1)
       rexml (>= 3.3.9)
     kramdown-parser-gfm (1.1.0)
@@ -225,7 +225,7 @@ CHECKSUMS
   jekyll-sass-converter (3.1.0) sha256=83925d84f1d134410c11d0c6643b0093e82e3a3cf127e90757a85294a3862443
   jekyll-seo-tag (2.8.0) sha256=3f2ed1916d56f14ebfa38e24acde9b7c946df70cb183af2cb5f0598f21ae6818
   jekyll-watch (2.2.1) sha256=bc44ed43f5e0a552836245a54dbff3ea7421ecc2856707e8a1ee203a8387a7e1
-  json (2.15.1) sha256=b1c1b2e7c116eb1903e0ce0c374783e6ead8747a0f9eca132d274018ebb80b89
+  json (2.15.2) sha256=1068e1d966d2d0dcaf953eaed09c2d30e4104c64c1e3140c435d17be08d1fa27
   kramdown (2.5.1) sha256=87bbb6abd9d3cebe4fc1f33e367c392b4500e6f8fa19dd61c0972cf4afe7368c
   kramdown-parser-gfm (1.1.0) sha256=fb39745516427d2988543bf01fc4cf0ab1149476382393e0e9c48592f6581729
   liquid (4.0.4) sha256=4fcfebb1a045e47918388dbb7a0925e7c3893e58d2bd6c3b3c73ec17a2d8fdb3