feat: improve preparation stage

Signed-off-by: Bart Jaskulski <bjaskulski@protonmail.com>

includes/prepare.yml

-.template: &job-prepare
-  artifacts:
-    name: "vendor_prefixed"
-    paths:
-      - vendor
-      - vendor_prefixed
-      - lang
-      - assets
-
 prepare prefixed vendor:
   image: composer:2.0.8
   artifacts:
@@ -46,7 +37,7 @@ prepare npm assets:
       - tests/codeception/prepare_npm.sh
     - if: $IS_NPM_LIBRARY
       when: never
-  stage: prepare-node
+  stage: prepare-vendor
   interruptible: true
   script:
     - mkdir -p /cache/npm-cache
@@ -80,15 +71,17 @@ prepare tests:
   image: wpdesknet/phpunit-woocommerce:0-0
   tags:
     - vendor
-  stage: prepare-translations-and-tests
+  stage: prepare-vendor
   artifacts:
     name: "dependent_plugins"
     paths:
       - tests/dependent_plugins
-  except:
-    variables:
-      - $IS_LIBRARY
-      - $IS_NPM_LIBRARY
+  rules:
+    - exists:
+      - tests/integration/prepare.sh
+      - tests/codeception/prepare.sh
+    - if: $IS_LIBRARY || $IS_NPM_LIBRARY
+      when: never
   interruptible: true
   script:
     - echo "xdebug.max_nesting_level=2560" >> /usr/local/etc/php/php.ini

includes/tests/lint.yml

 .lint: &lint-tmpl
-  needs: []
+  dependencies:
+    - prepare prefixed vendor
   stage: tests
   script:
     - composer install --no-dev