Bump lodash from 4.17.11 to 4.17.15

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.11 to 4.17.15.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](https://github.com/lodash/lodash/compare/4.17.11...4.17.15)

Signed-off-by: dependabot[bot] <support@github.com>

package-lock.json

@@ -49,11 +49,6 @@
 						"minimist": "^1.2.0"
 					}
 				},
-				"lodash": {
-					"version": "4.17.15",
-					"resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-					"integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
-				},
 				"minimist": {
 					"version": "1.2.0",
 					"resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
@@ -82,11 +77,6 @@
 				"source-map": "^0.5.0"
 			},
 			"dependencies": {
-				"lodash": {
-					"version": "4.17.15",
-					"resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-					"integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
-				},
 				"source-map": {
 					"version": "0.5.7",
 					"resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
@@ -131,13 +121,6 @@
 				"@babel/helper-function-name": "^7.1.0",
 				"@babel/types": "^7.5.5",
 				"lodash": "^4.17.13"
-			},
-			"dependencies": {
-				"lodash": {
-					"version": "4.17.15",
-					"resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-					"integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
-				}
 			}
 		},
 		"@babel/helper-explode-assignable-expression": {
@@ -206,14 +189,6 @@
 				"@babel/template": "^7.4.4",
 				"@babel/types": "^7.5.5",
 				"lodash": "^4.17.13"
-			},
-			"dependencies": {
-				"lodash": {
-					"version": "4.17.15",
-					"resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-					"integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
-					"dev": true
-				}
 			}
 		},
 		"@babel/helper-optimise-call-expression": {
@@ -236,14 +211,6 @@
 			"dev": true,
 			"requires": {
 				"lodash": "^4.17.13"
-			},
-			"dependencies": {
-				"lodash": {
-					"version": "4.17.15",
-					"resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-					"integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
-					"dev": true
-				}
 			}
 		},
 		"@babel/helper-remap-async-to-generator": {
@@ -483,13 +450,6 @@
 			"requires": {
 				"@babel/helper-plugin-utils": "^7.0.0",
 				"lodash": "^4.17.13"
-			},
-			"dependencies": {
-				"lodash": {
-					"version": "4.17.15",
-					"resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-					"integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
-				}
 			}
 		},
 		"@babel/plugin-transform-classes": {
@@ -915,11 +875,6 @@
 						"ms": "^2.1.1"
 					}
 				},
-				"lodash": {
-					"version": "4.17.15",
-					"resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-					"integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
-				},
 				"ms": {
 					"version": "2.1.2",
 					"resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
@@ -935,13 +890,6 @@
 				"esutils": "^2.0.2",
 				"lodash": "^4.17.13",
 				"to-fast-properties": "^2.0.0"
-			},
-			"dependencies": {
-				"lodash": {
-					"version": "4.17.15",
-					"resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-					"integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
-				}
 			}
 		},
 		"@fullhuman/postcss-purgecss": {
@@ -7434,10 +7382,9 @@
 			}
 		},
 		"lodash": {
-			"version": "4.17.11",
+			"version": "4.17.15",
-			"resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
+			"resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-			"integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
+			"integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
-			"dev": true
 		},
 		"lodash._baseassign": {
 			"version": "3.2.0",