Update requirements for simplecov and simplecov-html

Updates the requirements on [simplecov](https://github.com/simplecov-ruby/simplecov) and [simplecov-html](https://github.com/simplecov-ruby/simplecov-html) to permit the latest version.

Updates `simplecov` from 0.17.1 to 0.22.0
- [Release notes](https://github.com/simplecov-ruby/simplecov/releases)
- [Changelog](https://github.com/simplecov-ruby/simplecov/blob/main/CHANGELOG.md)
- [Commits](simplecov-ruby/simplecov@v0.17.1...v0.22.0)

Updates `simplecov-html` from 0.10.2 to 0.12.3
- [Release notes](https://github.com/simplecov-ruby/simplecov-html/releases)
- [Changelog](https://github.com/simplecov-ruby/simplecov-html/blob/main/CHANGELOG.md)
- [Commits](simplecov-ruby/simplecov-html@v0.10.2...v0.12.3)

---
updated-dependencies:
- dependency-name: simplecov
  dependency-type: direct:development
  update-type: version-update:semver-minor
- dependency-name: simplecov-html
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -40,7 +40,7 @@ GEM
     concurrent-ruby (1.3.1)
     connection_pool (2.4.1)
     diff-lcs (1.5.1)
-    docile (1.4.0)
+    docile (1.4.1)
     drb (2.2.0)
       ruby2_keywords
     ffi (1.16.3)
@@ -62,7 +62,6 @@ GEM
     hashery (2.1.2)
     i18n (1.14.5)
       concurrent-ruby (~> 1.0)
-    json (2.5.1)
     listen (3.8.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
@@ -145,11 +144,12 @@ GEM
     ruby-rc4 (0.1.5)
     ruby2_keywords (0.0.5)
     shellany (0.0.1)
-    simplecov (0.17.1)
+    simplecov (0.22.0)
       docile (~> 1.1)
-      json (>= 1.8, < 3)
-      simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.2)
+      simplecov-html (~> 0.11)
+      simplecov_json_formatter (~> 0.1)
+    simplecov-html (0.12.3)
+    simplecov_json_formatter (0.1.4)
     strscan (3.1.0)
     thor (1.3.0)
     ttfunk (1.7.0)
@@ -171,8 +171,8 @@ DEPENDENCIES
   rubocop (~> 0.93.1)
   rubocop-performance (~> 1.10.2)
   rubocop-rspec (~> 1.44.1)
-  simplecov (= 0.17.1)
-  simplecov-html (= 0.10.2)
+  simplecov (= 0.22.0)
+  simplecov-html (= 0.12.3)
 
 BUNDLED WITH
    2.5.5

br_danfe.gemspec

@@ -33,6 +33,6 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'rubocop', '~> 0.93.1'
   spec.add_development_dependency 'rubocop-performance', '~> 1.10.2'
   spec.add_development_dependency 'rubocop-rspec', '~> 1.44.1'
-  spec.add_development_dependency 'simplecov', '0.17.1'
-  spec.add_development_dependency 'simplecov-html', '0.10.2'
+  spec.add_development_dependency 'simplecov', '0.22.0'
+  spec.add_development_dependency 'simplecov-html', '0.12.3'
 end