Bump tough-cookie from 5.1.2 to 6.0.0

Bumps [tough-cookie](https://github.com/salesforce/tough-cookie) from 5.1.2 to 6.0.0.
- [Release notes](https://github.com/salesforce/tough-cookie/releases)
- [Changelog](https://github.com/salesforce/tough-cookie/blob/master/CHANGELOG.md)
- [Commits](salesforce/tough-cookie@v5.1.2...v6.0.0)

---
updated-dependencies:
- dependency-name: tough-cookie
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -97,7 +97,7 @@
     "mime-types": "^2.1.30",
     "nopt": "^8.0.0",
     "stack-utils": "^2.0.3",
-    "tough-cookie": "^5.1.0",
+    "tough-cookie": "^6.0.0",
     "ws": "^8.3.0"
   }
 }