build(deps-dev): bump @types/node from 12.0.12 to 12.6.1 (#1000)

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 12.0.12 to 12.6.1.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

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

package.json

@@ -110,7 +110,7 @@
     "@types/mime-types": "^2.1.0",
     "@types/minimist": "^1.2.0",
     "@types/mocha": "^5.2.7",
-    "@types/node": "^12.0.12",
+    "@types/node": "^12.6.1",
     "@types/node-fetch": "^2.3.7",
     "@types/pretty-ms": "^4.0.0",
     "@types/proxyquire": "^1.3.28",

yarn.lock

@@ -1161,10 +1161,10 @@
   dependencies:
     "@types/node" "*"
 
-"@types/node@*", "@types/node@^12.0.12":
-  version "12.0.12"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.0.12.tgz#cc791b402360db1eaf7176479072f91ee6c6c7ca"
-  integrity sha512-Uy0PN4R5vgBUXFoJrKryf5aTk3kJ8Rv3PdlHjl6UaX+Cqp1QE0yPQ68MPXGrZOfG7gZVNDIJZYyot0B9ubXUrQ==
+"@types/node@*", "@types/node@^12.6.1":
+  version "12.6.1"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.6.1.tgz#d5544f6de0aae03eefbb63d5120f6c8be0691946"
+  integrity sha512-rp7La3m845mSESCgsJePNL/JQyhkOJA6G4vcwvVgkDAwHhGdq5GCumxmPjEk1MZf+8p5ZQAUE7tqgQRQTXN7uQ==
 
 "@types/pretty-ms@^4.0.0":
   version "4.0.0"