chore(deps): update dependency mocha to v7

Author: renovate-bot

package-lock.json

@@ -69,7 +69,7 @@
 		"@types/estree": "0.0.42",
 		"@types/gm": "1.18.8",
 		"@types/microtime": "2.1.0",
-		"@types/mocha": "5.2.7",
+		"@types/mocha": "7.0.2",
 		"@types/moo": "0.5.3",
 		"@types/nearley": "2.11.1",
 		"@types/node": "12.12.47",
@@ -82,7 +82,7 @@
 		"looks-same": "7.2.3",
 		"microtime": "3.0.0",
 		"mkdirp": "1.0.4",
-		"mocha": "6.2.3",
+		"mocha": "7.2.0",
 		"nock": "12.0.3",
 		"node-fetch": "2.6.0",
 		"nyc": "15.1.0",