ci: disable eslint-plugin-import from auto updates

Disable the mentioned package from being managed by Renovate until import-js/eslint-plugin-import#2065 is fixed.

Author: alan-agius4

renovate.json

@@ -11,7 +11,7 @@
   },
   "schedule": ["after 10pm every weekday", "before 4am every weekday", "every weekend"],
   "baseBranches": ["master"],
-  "ignoreDeps": ["@types/node", "quicktype-core"],
+  "ignoreDeps": ["@types/node", "quicktype-core", "eslint-plugin-import"],
   "packageFiles": [
     "WORKSPACE",
     "package.json",