Bump rimraf from 2.7.1 to 3.0.2 (#38)

Bumps [rimraf](https://github.com/isaacs/rimraf) from 2.7.1 to 3.0.2.
- [Release notes](https://github.com/isaacs/rimraf/releases)
- [Changelog](https://github.com/isaacs/rimraf/blob/master/CHANGELOG.md)
- [Commits](isaacs/rimraf@v2.7.1...v3.0.2)

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Author: dependabot[bot]

package-lock.json

@@ -35,7 +35,7 @@
     "chai": "^4.0.0",
     "mkdirp": "^1.0.4",
     "mocha": "^5.0.0",
-    "rimraf": "^2.7.1"
+    "rimraf": "^3.0.2"
   },
   "keywords": [
     "compress",