#64 CI improvements for private modules

private-modules-overrides.yml

+variables:
+  SKIP_ESLINT: '1'
+
+phpcs:
+  allow_failure: false
+
+phpstan:
+  allow_failure: false

private-modules.yml

@@ -40,6 +40,10 @@ include:
     rules:
       - if: $PRIVATE_MODULE_TESTS == "false"
         when: never
+  - local: private-modules-overrides.yml
+    rules:
+      - if: $PRIVATE_MODULE_TESTS == "false"
+        when: never
   - project: gitlab-ci-cd/general
     ref: main
     file: '/mixins.yml'
@@ -49,12 +53,3 @@ include:
     rules:
       - if: $PRIVATE_MODULE_BUILD == "false"
         when: never
-
-variables:
-  SKIP_ESLINT: '1'
-
-phpcs:
-  allow_failure: false
-
-phpstan:
-  allow_failure: false