Remove colorize gem, just use the escape codes

Gemfile.lock

@@ -1,15 +1,13 @@
 PATH
   remote: .
   specs:
-    singed (0.2.2)
-      colorize
+    singed (0.3.0)
       stackprof (>= 0.2.13)
 
 GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.2)
-    colorize (0.8.1)
     diff-lcs (1.5.0)
     json (2.7.2)
     language_server-protocol (3.17.0.3)
@@ -78,4 +76,4 @@ DEPENDENCIES
   standard
 
 BUNDLED WITH
-   2.4.4
+   2.6.9

lib/singed.rb

@@ -2,7 +2,6 @@
 
 require "json"
 require "stackprof"
-require "colorize"
 
 module Singed
   extend self

lib/singed/kernel_ext.rb

@@ -4,12 +4,15 @@ def flamegraph(label = nil, open: true, ignore_gc: false, interval: 1000, io: $s
     result = fg.record(&)
     fg.save
 
+    # avoid a dep on a colorizing gem by doing this ourselves
+    bright_red = "\e[91m"
+    none = "\e[0m"
     if open
       # use npx, so we don't have to add it as a dependency
-      io.puts "🔥📈 #{"Captured flamegraph, opening with".colorize(:bold).colorize(:red)}: #{fg.open_command}"
+      io.puts "🔥📈 #{bright_red}Captured flamegraph, opening with#{none}: #{fg.open_command}"
       fg.open
     else
-      io.puts "🔥📈 #{"Captured flamegraph to file".colorize(:bold).colorize(:red)}: #{fg.filename}"
+      io.puts "🔥📈 #{bright_red}Captured flamegraph to file#{none}: #{fg.filename}"
     end
 
     result

singed.gemspec

@@ -3,7 +3,7 @@
 Gem::Specification.new do |spec|
   spec.name = "singed"
 
-  spec.version = "0.2.3"
+  spec.version = "0.3.0"
   spec.license = "MIT"
   spec.authors = ["Josh Nichols"]
   spec.email = ["josh.nichols@gusto.com"]
@@ -21,7 +21,6 @@ Gem::Specification.new do |spec|
   spec.executables = spec.files.grep(%r{\Aexe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_dependency "colorize"
   spec.add_dependency "stackprof", ">= 0.2.13"
 
   spec.add_development_dependency "rake", "~> 13.0"