[enhancement] Update nyc from v10.2.0 to v13.3.0

[bjornstar]

PR checklist

• New feature, bugfix, or enhancement

Overview of change:

Update nyc from v10.2.0 to v13.3.0

Is there anything you'd like reviewers to focus on?

The number of known vulnerabilities for tslint's dependencies drops from 29 to 3.

✔  17:26 ~/tslint [ update-nyc L | ✔  ] $ npm install nyc
+ nyc@10.3.2
updated 1 package and audited 812 packages in 3.634s
found 29 vulnerabilities (17 low, 9 moderate, 2 high, 1 critical)
  run `npm audit fix` to fix them, or `npm audit` for details
✔  17:27 ~/tslint [ update-nyc L | ✚ 1 ] $ npm i nyc@latest
+ nyc@13.3.0
added 61 packages from 65 contributors, removed 86 packages, updated 67 packages, moved 1 package and audited 670 packages in 4.313s
found 3 vulnerabilities (1 low, 1 high, 1 critical)
  run `npm audit fix` to fix them, or `npm audit` for details
✔  17:27 ~/tslint [ update-nyc L | ✚ 1 ] $ git diff
diff --git a/package.json b/package.json
index 4202b145..5bf64351 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
-        "nyc": "^10.2.0",
+        "nyc": "^13.3.0",

Before:

=============================== Coverage summary ===============================
Statements   : 90.92% ( 9657/10621 )
Branches     : 87.23% ( 6017/6898 )
Functions    : 89.03% ( 1721/1933 )
Lines        : 90.4% ( 8748/9677 )
================================================================================

After:

=============================== Coverage summary ===============================
Statements   : 89.8% ( 8203/9135 )
Branches     : 86.61% ( 3576/4129 )
Functions    : 88.99% ( 1714/1926 )
Lines        : 89.15% ( 7239/8120 )
================================================================================

CHANGELOG.md entry:

[enhancement] Update nyc from v10.2.0 to v13.3.0

[adidahiya]

yikes, I didn't realize that our CI build here doesn't verify that the lockfile stays in sync with our declared dependencies. I'll merge this and fix that on master