Update CI config

* switch to ruby/setup-ruby@v1
* switch to Node.js 14
* group version info
* add `if-no-files-found: error` so that the upload-artifact action errors out if no files are found

Author: XhmikosR

.github/workflows/ci.yml

@@ -2,8 +2,8 @@ name: CI
 on: [push, pull_request]
 env:
   CI: true
-  NODE: 12.x
-  RUBY: 2.7.x
+  NODE: 14.x
+  RUBY: 2.7
 
 jobs:
   test:
@@ -13,41 +13,26 @@ jobs:
       - name: Clone repository
         uses: actions/checkout@v2
 
-      - name: Set Node.js version
+      - name: Set up Node.js
         uses: actions/setup-node@v1
         with:
           node-version: "${{ env.NODE }}"
 
       - name: Set up Ruby
-        uses: actions/setup-ruby@v1
+        uses: ruby/setup-ruby@v1
         with:
           ruby-version: "${{ env.RUBY }}"
+          bundler-cache: true
 
-      - name: Set up Ruby env
+      - name: Version info
         run: |
-          echo "gem: --no-document" > ~/.gemrc # Disable gem docs
-          bundle config set clean 'true'
-          bundle config set deployment 'true'
-
-      - name: Set up Ruby cache
-        uses: actions/cache@v2
-        with:
-          path: vendor/bundle
-          key: ${{ runner.os }}-ruby-v${{ env.RUBY }}-${{ hashFiles('Gemfile') }}-${{ hashFiles('Gemfile.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-ruby-v${{ env.RUBY }}-${{ hashFiles('Gemfile') }}-${{ hashFiles('Gemfile.lock') }}
-            ${{ runner.os }}-ruby-v${{ env.RUBY }}-
-
-      - run: ruby --version
-      - run: gem --version
-      - run: bundle --version
+          ruby --version
+          gem --version
+          bundle --version
 
       - name: Install npm dependencies
         run: npm ci
 
-      - name: Install bundler dependencies
-        run: bundle install --jobs=4 --retry=3
-
       - name: Run tests
         run: npm test
 
@@ -57,6 +42,7 @@ jobs:
         with:
           name: docs
           path: ./_site/
+          if-no-files-found: error
 
   deploy:
     runs-on: ubuntu-latest