Separate CI steps (#10226)

.github/workflows/phpstan.yml

@@ -49,8 +49,9 @@ jobs:
       - name: "Install highest dependencies from composer.json using composer binary provided by system"
         run: "composer config platform --unset && composer update ${{ env.COMPOSER_FLAGS }}"
 
-      - name: Run PHPStan
+      - name: "Install PHPStan"
         # Locked to phpunit 7.5 here as newer ones have void return types which break inheritance
-        run: |
-          bin/composer require --dev phpstan/phpstan:^0.12.93 phpstan/phpstan-phpunit:^0.12.17 phpunit/phpunit:^7.5.20 --with-all-dependencies ${{ env.COMPOSER_FLAGS }}
-          vendor/bin/phpstan analyse --configuration=phpstan/config.neon
+        run: "bin/composer require --dev phpstan/phpstan:^0.12.93 phpstan/phpstan-phpunit:^0.12.17 phpunit/phpunit:^7.5.20 --with-all-dependencies ${{ env.COMPOSER_FLAGS }}"
+
+      - name: "Run PHPStan"
+        run: "vendor/bin/phpstan analyse --configuration=phpstan/config.neon"