fix: Disable copier as not working very well (#112)

### Description of your changes
Ticket: DEV-8665

Current "copier update" PRs looks this way:


![image](https://github.com/user-attachments/assets/1af344d5-6356-429a-8aeb-cc4f53f75ac3)

Renovate support basic copier usage, but we have our own setup which
currently not supported by Renovate, and it's not our priority to fix it
right now. So we disable copier for now to avoid useless PRs.


### How was it tested

In another repo which have copier templates - PR was autoclosed after
merge of same settings.

default.template.json5

@@ -69,6 +69,11 @@
   "kubernetes": {
     "fileMatch": ["\\.yaml$"]
   },
+  // Disable copier until Renovate will support our custom copier structure OR
+  // until Delivery team will change how we use copier
+  "copier": {
+    "enabled": false
+  },
   "packageRules": [
     {
       "description": "v prefix workaround for action updates",