Chore: Bump underscore from 1.13.7 to 1.13.8 (#3769)

Bumps [underscore](https://github.com/jashkenas/underscore) from 1.13.7 to 1.13.8.
- [Commits](jashkenas/underscore@1.13.7...1.13.8)

---
updated-dependencies:
- dependency-name: underscore
  dependency-version: 1.13.8
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -62,7 +62,7 @@
     "rollup": "^2.80.0",
     "semver": "^7.6.0",
     "time-grunt": "^2.0.0",
-    "underscore": "^1.13.1",
+    "underscore": "^1.13.8",
     "underscore-deep-extend": "^1.1.5"
   },
   "devDependencies": {