chore(deps): update dependency nyc to v13 (#1307)

Author: renovate[bot]

package.json

@@ -121,7 +121,7 @@
     "ncp": "^2.0.0",
     "nock": "^9.2.5",
     "nunjucks": "^3.1.2",
-    "nyc": "^12.0.2",
+    "nyc": "^13.0.0",
     "opn": "^5.3.0",
     "p-queue": "^2.4.2",
     "pify": "^4.0.0",