Consolidate GitHub actions into single build

Author: jasonmccreary

.github/workflows/continuous-integration.yml renamed to .github/workflows/build.yml

@@ -1,4 +1,4 @@
-name: Continuous Integration
+name: build
 
 on:
   push:
@@ -66,6 +66,11 @@ jobs:
           key: dependencies-os-${{ matrix.os }}-php-${{ matrix.php-version }}-laravel-${{ matrix.laravel-version }}-composer-${{ hashFiles('**/composer.lock') }}
           restore-keys: dependencies-os-${{ matrix.os }}-php-${{ matrix.php-version }}-laravel-${{ matrix.laravel-version }}
 
+      - uses: jasonmccreary/PHP-Lint@fetch-signature
+
+      - name: Validate composer.json and composer.lock
+        run: composer validate
+
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with: