[Fix] Upgrade deps, add new build badge to README

README.md

@@ -1,6 +1,6 @@
 # rbsecp256k1
 
-[![Build Status](https://travis-ci.com/etscrivner/rbsecp256k1.svg?branch=master)](https://travis-ci.com/etscrivner/rbsecp256k1) [![Gem Version](https://badge.fury.io/rb/rbsecp256k1.svg)](https://badge.fury.io/rb/rbsecp256k1) [![Maintainability](https://api.codeclimate.com/v1/badges/d4b6e27bfa00030ca412/maintainability)](https://codeclimate.com/github/etscrivner/rbsecp256k1/maintainability)
+[![Spec](https://github.com/etscrivner/rbsecp256k1/actions/workflows/spec.yml/badge.svg?branch=master)](https://github.com/etscrivner/rbsecp256k1/actions/workflows/spec.yml) [![Gem Version](https://badge.fury.io/rb/rbsecp256k1.svg)](https://badge.fury.io/rb/rbsecp256k1) [![Maintainability](https://api.codeclimate.com/v1/badges/d4b6e27bfa00030ca412/maintainability)](https://codeclimate.com/github/etscrivner/rbsecp256k1/maintainability)
 
 Native extension gem for secp256k1 ECDSA. Wraps [libsecp256k1](https://github.com/bitcoin-core/secp256k1). In
 rbsecp256k1 3.0.0 and later libsecp256k1 is bundled with the gem.

rbsecp256k1.gemspec

@@ -23,13 +23,13 @@ Gem::Specification.new do |s|
   s.extensions = ['ext/rbsecp256k1/extconf.rb']
 
   # Dependencies required to build and run this gem
-  s.add_dependency 'mini_portile2', '~> 2.4'
-  s.add_dependency 'pkg-config', '~> 1.3'
-  s.add_dependency 'rubyzip', '~> 2.0'
+  s.add_dependency 'mini_portile2', '~> 2.7'
+  s.add_dependency 'pkg-config', '~> 1.4'
+  s.add_dependency 'rubyzip', '~> 2.3'
 
   # Development dependencies
-  s.add_development_dependency 'rake', '~> 12.3'
-  s.add_development_dependency 'rake-compiler', '~> 1.0'
+  s.add_development_dependency 'rake', '~> 13.0'
+  s.add_development_dependency 'rake-compiler', '~> 1.1'
   s.add_development_dependency 'rspec', '~> 3.8'
   s.add_development_dependency 'rubocop', '0.78'
   s.add_development_dependency 'yard', '~> 0.9'