Update dependencies

Gemfile.lock

@@ -2,8 +2,8 @@ PATH
   remote: .
   specs:
     crono (1.1.2)
-      activerecord (>= 4.0)
-      activesupport (>= 4.0)
+      activerecord (>= 5.2.8)
+      activesupport (>= 5.2.8)
 
 GEM
   remote: https://rubygems.org/
@@ -66,14 +66,14 @@ PLATFORMS
   arm64-darwin-21
 
 DEPENDENCIES
-  bundler (>= 1.0.0)
+  bundler (>= 2)
   byebug
   crono!
   daemons
   haml
   rack-test
-  rake (>= 10.0)
-  rspec (>= 3.0)
+  rake (>= 13.0.1)
+  rspec (>= 3.10)
   sinatra
   sqlite3
   timecop (>= 0.7)

crono.gemspec

@@ -18,11 +18,11 @@ Gem::Specification.new do |s|
   s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
   s.require_paths = ["lib"]
 
-  s.add_runtime_dependency 'activesupport', '>= 4.0'
-  s.add_runtime_dependency 'activerecord', '>= 4.0'
-  s.add_development_dependency 'rake', '>= 10.0'
-  s.add_development_dependency 'bundler', '>= 1.0.0'
-  s.add_development_dependency 'rspec', '>= 3.0'
+  s.add_runtime_dependency 'activesupport', '>= 5.2.8'
+  s.add_runtime_dependency 'activerecord', '>= 5.2.8'
+  s.add_development_dependency 'rake', '>= 13.0.1'
+  s.add_development_dependency 'bundler', '>= 2'
+  s.add_development_dependency 'rspec', '>= 3.10'
   s.add_development_dependency 'timecop', '>= 0.7'
   s.add_development_dependency 'sqlite3'
   s.add_development_dependency 'byebug'