Create workflow for publishing gem (#2)

* Create workflow for publishing gem

* Update Gemfile.lock

.github/workflows/gem-push.yml

@@ -0,0 +1,37 @@
+name: Publish
+
+on:
+  workflow_dispatch:
+
+jobs:
+  build_publish:
+    name: Build and Publish
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Install Ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: 2.6
+    - name: Build gem
+      run: gem build *.gemspec
+    - name: Publish to GitHub Package Registry
+      run: |
+        mkdir -p $HOME/.gem
+        touch $HOME/.gem/credentials
+        chmod 0600 $HOME/.gem/credentials
+        printf -- "---\n:github: Bearer ${GITHUB_TOKEN}\n" > $HOME/.gem/credentials
+        gem push --KEY github --host https://rubygems.pkg.github.com/${OWNER} *.gem
+      env:
+        GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+        OWNER: microsoft
+    - name: Publish to RubyGems
+      run: |
+        mkdir -p $HOME/.gem
+        touch $HOME/.gem/credentials
+        chmod 0600 $HOME/.gem/credentials
+        printf -- "---\n:rubygems_api_key: ${GEM_HOST_API_KEY}\n" > $HOME/.gem/credentials
+        gem push *.gem
+      env:
+        GEM_HOST_API_KEY: ${{secrets.RUBYGEMS_AUTH_TOKEN}}

Gemfile.lock

@@ -2,9 +2,9 @@ PATH
   remote: .
   specs:
     cocoapods-azure-universal-packages (0.0.1)
-      addressable (>= 2.6.0)
-      cocoapods
-      cocoapods-downloader
+      addressable (~> 2.6)
+      cocoapods (~> 1.0)
+      cocoapods-downloader (~> 1.0)
 
 GEM
   remote: https://rubygems.org/

cocoapods-azure-universal-packages.gemspec

@@ -16,9 +16,9 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ['lib']
 
-  spec.add_runtime_dependency 'cocoapods'
-  spec.add_runtime_dependency 'cocoapods-downloader'
-  spec.add_runtime_dependency 'addressable', '>= 2.6.0'
+  spec.add_runtime_dependency 'cocoapods', '~> 1.0'
+  spec.add_runtime_dependency 'cocoapods-downloader', '~> 1.0'
+  spec.add_runtime_dependency 'addressable', '~> 2.6'
 
   spec.add_development_dependency 'rake', '~> 13.0'
   spec.add_development_dependency 'rspec', '~> 3.9'