Update kettle-dev requirement from ~> 1.2 to ~> 2.0

Updates the requirements on [kettle-dev](https://github.com/kettle-rb/kettle-dev) to permit the latest version.
- [Release notes](https://github.com/kettle-rb/kettle-dev/releases)
- [Changelog](https://github.com/kettle-rb/kettle-dev/blob/main/CHANGELOG.md)
- [Commits](kettle-rb/kettle-dev@v1.2.4...v2.0.0)

---
updated-dependencies:
- dependency-name: kettle-dev
  dependency-version: 2.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Gemfile.lock

@@ -86,7 +86,7 @@ GEM
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
     json (2.18.1)
-    kettle-dev (1.2.4)
+    kettle-dev (2.0.0)
     kettle-soup-cover (1.1.1)
       simplecov (~> 0.22)
       simplecov-cobertura (~> 3.0)
@@ -329,7 +329,7 @@ DEPENDENCIES
   gem_bench (~> 2.0, >= 2.0.5)
   gitmoji-regex (~> 1.0, >= 1.0.3)
   irb (~> 1.15, >= 1.15.2)
-  kettle-dev (~> 1.2)
+  kettle-dev (~> 2.0)
   kettle-soup-cover (~> 1.0, >= 1.0.10)
   kettle-test (~> 1.0, >= 1.0.10)
   kramdown (~> 2.5, >= 2.5.1)
@@ -386,7 +386,7 @@ CHECKSUMS
   io-console (0.8.2) sha256=d6e3ae7a7cc7574f4b8893b4fca2162e57a825b223a177b7afa236c5ef9814cc
   irb (1.17.0) sha256=168c4ddb93d8a361a045c41d92b2952c7a118fa73f23fe14e55609eb7a863aae
   json (2.18.1) sha256=fe112755501b8d0466b5ada6cf50c8c3f41e897fa128ac5d263ec09eedc9f986
-  kettle-dev (1.2.4) sha256=71373c67fe7eb0a9656e70dfd10cf226a15083b6d1be18dafcb5360f21ee98b6
+  kettle-dev (2.0.0) sha256=f3cd1a2f8cc4f1fcc573d7e9177644873cfdfe455e26365416b4290ea09490b5
   kettle-soup-cover (1.1.1) sha256=2303885a9d8485d8d43cb250bcf73570f6b6fb997526beeaef3ef54e3501d445
   kettle-test (1.0.10) sha256=ddefc5d54b290ee6dbe5a3983128f6948fa63f624ca676c1e6cfffc9b6878179
   kramdown (2.5.2) sha256=1ba542204c66b6f9111ff00dcc26075b95b220b07f2905d8261740c82f7f02fa

token-resolver.gemspec

@@ -101,7 +101,7 @@ Gem::Specification.new do |spec|
   #       and preferably a modular one (see gemfiles/modular/*.gemfile).
 
   # Dev, Test, & Release Tasks
-  spec.add_development_dependency("kettle-dev", "~> 1.2")                           # ruby >= 2.3.0
+  spec.add_development_dependency("kettle-dev", "~> 2.0")                           # ruby >= 2.3.0
 
   # Security
   spec.add_development_dependency("bundler-audit", "~> 0.9.2")                      # ruby >= 2.0.0