Bump node-fetch from 2.6.0 to 2.7.0 in /@plotly/dash-jupyterlab

Bumps [node-fetch](https://github.com/node-fetch/node-fetch) from 2.6.0 to 2.7.0.
- [Release notes](https://github.com/node-fetch/node-fetch/releases)
- [Commits](node-fetch/node-fetch@v2.6.0...v2.7.0)

---
updated-dependencies:
- dependency-name: node-fetch
  dependency-type: indirect
...

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

@plotly/dash-jupyterlab/yarn.lock

@@ -995,9 +995,11 @@ moment@^2.24.0:
  integrity sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg==
 
 node-fetch@^2.6.0:
- version "2.6.0"
- resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.0.tgz#e633456386d4aa55863f676a7ab0daa8fdecb0fd"
- integrity sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA==
+ version "2.7.0"
+ resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.7.0.tgz#d0f0fa6e3e2dc1d27efcd8ad99d550bda94d187d"
+ integrity sha512-c4FRfUm/dbcWZ7U+1Wq0AwCyFL+3nt2bEw05wfxSz+DWpWsitgmSgYmy2dQdWyKC1694ELPqMs/YzUSNozLt8A==
+ dependencies:
+ whatwg-url "^5.0.0"
 
 normalize.css@^8.0.1:
  version "8.0.1"
@@ -1258,6 +1260,11 @@ supports-color@^6.1.0:
  dependencies:
  has-flag "^3.0.0"
 
+tr46@~0.0.3:
+ version "0.0.3"
+ resolved "https://registry.yarnpkg.com/tr46/-/tr46-0.0.3.tgz#8184fd347dac9cdc185992f3a6622e14b9d9ab6a"
+ integrity sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==
+
 tslib@~1.13.0:
  version "1.13.0"
  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.13.0.tgz#c881e13cc7015894ed914862d276436fa9a47043"
@@ -1311,6 +1318,19 @@ warning@^4.0.2, warning@^4.0.3:
  dependencies:
  loose-envify "^1.0.0"
 
+webidl-conversions@^3.0.0:
+ version "3.0.1"
+ resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"
+ integrity sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==
+
+whatwg-url@^5.0.0:
+ version "5.0.0"
+ resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-5.0.0.tgz#966454e8765462e37644d3626f6742ce8b70965d"
+ integrity sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==
+ dependencies:
+ tr46 "~0.0.3"
+ webidl-conversions "^3.0.0"
+
 wrappy@1:
  version "1.0.2"
  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"