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-preview[bot] <support@dependabot.com>

package.json

@@ -45,7 +45,7 @@
         "@truffle/hdwallet-provider": "1.0.38",
         "@types/bignumber.js": "5.0.0",
         "@types/chai": "4.2.11",
-        "@types/mocha": "7.0.2",
+        "@types/mocha": "8.0.0",
         "@types/node": "14.0.20",
         "bignumber.js": "9.0.0",
         "chai": "4.2.0",

yarn.lock

@@ -458,10 +458,10 @@
   dependencies:
     "@types/node" "*"
 
-"@types/mocha@7.0.2":
-  version "7.0.2"
-  resolved "https://registry.yarnpkg.com/@types/mocha/-/mocha-7.0.2.tgz#b17f16cf933597e10d6d78eae3251e692ce8b0ce"
-  integrity sha512-ZvO2tAcjmMi8V/5Z3JsyofMe3hasRcaw88cto5etSVMwVQfeivGAlEYmaQgceUSVYFofVjT+ioHsATjdWcFt1w==
+"@types/mocha@8.0.0":
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/@types/mocha/-/mocha-8.0.0.tgz#b0ba1c5b4cb3880c51a6b488ad007a657d1be888"
+  integrity sha512-jWeYcTo3sCH/rMgsdYXDTO85GNRyTCII5dayMIu/ZO4zbEot1E3iNGaOwpLReLUHjeNQFkgeNNVYlY4dX6azQQ==
 
 "@types/mocha@^5.2.5":
   version "5.2.7"