chore(deps): bump cacheable-request and ava in /packages/nc-plugin

Removes [cacheable-request](https://github.com/jaredwray/cacheable-request). It's no longer used after updating ancestor dependency [ava](https://github.com/avajs/ava). These dependencies need to be updated together.


Removes `cacheable-request`

Updates `ava` from 3.15.0 to 5.2.0
- [Release notes](https://github.com/avajs/ava/releases)
- [Commits](https://github.com/avajs/ava/compare/v3.15.0...v5.2.0)

---
updated-dependencies:
- dependency-name: cacheable-request
  dependency-type: indirect
- dependency-name: ava
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

packages/nc-plugin/package.json

@@ -60,7 +60,7 @@
     "@istanbuljs/nyc-config-typescript": "^1.0.1",
     "@typescript-eslint/eslint-plugin": "^4.0.1",
     "@typescript-eslint/parser": "^4.0.1",
-    "ava": "^3.12.1",
+    "ava": "^5.2.0",
     "codecov": "^3.5.0",
     "cspell": "^4.1.0",
     "cz-conventional-changelog": "^3.3.0",