ci: one github workflow to rule them all

Author: jim80net

.github/workflows/rspec.yml

@@ -1,10 +1,27 @@
-name: release
+name: Rspec and Release
 
 on:
   push:
+  pull_request:
 
 jobs:
+  rspec:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Ruby 2.5.8
+      uses: actions/setup-ruby@v1
+      with:
+        ruby-version: 2.5.8
+    - name: Test with Rspec
+      run: |
+          gem install --no-rdoc --no-ri bundler
+          bundle install --jobs 4 --retry 3
+          bundle exec rspec
   release:
+    if: github.event_name == 'push'
+    needs: rspec
     runs-on: ubuntu-latest
 
     steps:
@@ -30,3 +47,4 @@ jobs:
         extra_plugins: |
           @semantic-release/changelog
           @semantic-release/git
+