replacing travis ci with github actions workflow

It was a long run, but latest changes are forcing to find an alternative

.github/workflows/check.yml

@@ -0,0 +1,40 @@
+name: check
+on:
+  push:
+  pull_request:
+  schedule:
+  - cron: 45 4 * * 4
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ruby:
+        - '2.0'
+        - '2.1'
+        - '2.2'
+        - '2.3'
+        - '2.4'
+        - '2.5'
+        - '2.6'
+        - '2.7'
+        - '3.0'
+        - jruby-9.1
+        - jruby-9.2
+      fail-fast: false
+    steps:
+    - uses: actions/checkout@v2
+    - uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: "${{ matrix.ruby }}"
+        bundler-cache: true
+    - run: bundle exec rspec
+  rubocop:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: '3.0'
+        bundler-cache: true
+    - run: bundle exec rubocop

.rubocop.yml

@@ -1,6 +1,7 @@
 AllCops:
   Exclude:
     - '*.gemspec'
+    - 'vendor/bundle/**/*'
   NewCops: enable
 
 Layout/AccessModifierIndentation:

Gemfile

@@ -3,7 +3,3 @@
 source 'https://rubygems.org'
 
 gemspec
-
-if RUBY_VERSION >= '2.0'
-  gem 'travis_check_rubies', '~> 0.2'
-end

README.markdown

@@ -1,5 +1,5 @@
 [![Gem Version](https://img.shields.io/gem/v/progress.svg?style=flat)](https://rubygems.org/gems/progress)
-[![Build Status](https://img.shields.io/travis/toy/progress/master.svg?style=flat)](https://travis-ci.org/toy/progress)
+[![Build Status](https://github.com/toy/progress/actions/workflows/check.yml/badge.svg?branch=master)](https://github.com/toy/progress/actions/workflows/check.yml)
 [![Code Climate](https://img.shields.io/codeclimate/maintainability/toy/progress.svg?style=flat)](https://codeclimate.com/github/toy/progress)
 [![Depfu](https://badges.depfu.com/badges/528142fc3202e4bd89680832bfc713d7/overview.svg)](https://depfu.com/github/toy/progress)
 [![Inch CI](https://inch-ci.org/github/toy/progress.svg?branch=master&style=flat)](https://inch-ci.org/github/toy/progress)