fix(deps): update dependency find-up to v5 (#279)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

package-lock.json

@@ -65,7 +65,7 @@
     "chai": "^4.2.0",
     "chai-fs": "^2.0.0",
     "cheerio": "^1.0.0-rc.3",
-    "find-up": "^4.1.0",
+    "find-up": "^5.0.0",
     "globby": "^11.0.0",
     "jimp": "^0.16.0",
     "pageres": "^5.2.0",