Add ruby debug as an alternative to pry/byebug

I kept hitting this undefined constant error, see
deivid-rodriguez/byebug#564

to use debug insert `binding.break`

Gemfile

@@ -120,6 +120,7 @@ group :development, :test do
   gem "bcrypt_pbkdf"
   gem "bixby", "~> 5.0"
   gem "bundler-audit", require: false
+  gem "debug"
   gem "dotenv-rails"
   gem "ed25519"
   gem "factory_bot_rails"

Gemfile.lock

@@ -287,6 +287,9 @@ GEM
       libddwaf (~> 1.3.0.2.0)
       msgpack
     debase-ruby_core_source (0.10.16)
+    debug (1.8.0)
+      irb (>= 1.5.0)
+      reline (>= 0.3.1)
     declarative (0.0.20)
     deprecation (1.1.0)
       activesupport
@@ -513,7 +516,11 @@ GEM
       activesupport (>= 3.2.18)
       faraday (>= 0.9)
       json
+    io-console (0.6.0)
     io-wait (0.2.1)
+    irb (1.9.1)
+      rdoc
+      reline (>= 0.3.8)
     iso-639 (0.3.6)
     jaro_winkler (1.5.4)
     jbuilder (2.11.5)
@@ -852,6 +859,7 @@ GEM
     rdf-xsd (3.2.1)
       rdf (~> 3.2)
       rexml (~> 3.2)
+    rdoc (6.3.3)
     recipient_interceptor (0.3.1)
       mail
     redis (4.8.1)
@@ -865,6 +873,8 @@ GEM
       activemodel (>= 5.0)
       reform (>= 2.3.1, < 3.0.0)
     regexp_parser (2.7.0)
+    reline (0.4.0)
+      io-console (~> 0.5)
     representable (3.2.0)
       declarative (< 0.1.0)
       trailblazer-option (>= 0.1.1, < 0.2.0)
@@ -1179,6 +1189,7 @@ DEPENDENCIES
   database_cleaner
   database_cleaner-sequel
   ddtrace
+  debug
   devise (>= 4.6.0)
   devise-guests!
   dnsruby