Bump @types/mocha from 7.0.2 to 8.0.0

Bumps [@types/mocha](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/mocha) from 7.0.2 to 8.0.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/mocha)

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

package-lock.json

@@ -1180,9 +1180,9 @@
       }
     },
     "@types/mocha": {
-      "version": "7.0.2",
-      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-7.0.2.tgz",
-      "integrity": "sha512-ZvO2tAcjmMi8V/5Z3JsyofMe3hasRcaw88cto5etSVMwVQfeivGAlEYmaQgceUSVYFofVjT+ioHsATjdWcFt1w==",
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-8.0.0.tgz",
+      "integrity": "sha512-jWeYcTo3sCH/rMgsdYXDTO85GNRyTCII5dayMIu/ZO4zbEot1E3iNGaOwpLReLUHjeNQFkgeNNVYlY4dX6azQQ==",
       "dev": true
     },
     "@types/node": {

package.json

@@ -64,7 +64,7 @@
     "@truffle/hdwallet-provider": "^1.0.33",
     "@types/chai": "^4.2.11",
     "@types/chai-spies": "^1.0.1",
-    "@types/mocha": "^7.0.2",
+    "@types/mocha": "^8.0.0",
     "@types/node": "^14.0.0",
     "@types/node-fetch": "^2.5.5",
     "@types/sinon": "^9.0.0",