DEV: Update CI workflows (#81)

Co-authored-by: davidtaylorhq <[email protected]>

.github/workflows/plugin-linting.yml

@@ -29,20 +29,26 @@ jobs:
         run: yarn install
 
       - name: ESLint
+        if: ${{ always() }}
         run: yarn eslint --ext .js,.js.es6 --no-error-on-unmatched-pattern {test,assets}/javascripts
 
       - name: Prettier
+        if: ${{ always() }}
+        shell: bash
         run: |
           yarn prettier -v
-          if [ -d "assets" ]; then \
-            yarn prettier --list-different "assets/**/*.{scss,js,es6}" ; \
+          shopt -s extglob
+          if ls assets/**/*.@(scss|js|es6) &> /dev/null; then
+            yarn prettier --list-different "assets/**/*.{scss,js,es6}"
           fi
-          if [ -d "test" ]; then \
-            yarn prettier --list-different "test/**/*.{js,es6}" ; \
+          if ls test/**/*.@(js|es6) &> /dev/null; then
+            yarn prettier --list-different "test/**/*.{js,es6}"
           fi
 
       - name: Ember template lint
+        if: ${{ always() }}
         run: yarn ember-template-lint assets/javascripts
 
       - name: Rubocop
+        if: ${{ always() }}
         run: bundle exec rubocop .