Update dependency opn-cli to v4.1.0 (#13)

This PR contains the following updates:

| Package | Type | Update | Change | References |
|---|---|---|---|---|
| opn-cli | devDependencies | minor | [`4.0.0` -> `4.1.0`](https://diff.intrinsic.com/opn-cli/4.0.0/4.1.0) | [source](https://togithub.com/sindresorhus/opn-cli) |

---

### Release Notes

<details>
<summary>sindresorhus/opn-cli</summary>

### [`v4.1.0`](https://togithub.com/sindresorhus/opn-cli/releases/v4.1.0)

[Compare Source](https://togithub.com/sindresorhus/opn-cli/compare/v4.0.0...v4.1.0)

-   Add `--background` flag for macOS  [`8688742`](https://togithub.com/sindresorhus/opn-cli/commit/8688742)

</details>

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 - [ ] <!-- renovate-rebase -->If you want to rebase/retry this PR, check this box

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package.json

@@ -12,7 +12,7 @@
   "devDependencies": {
     "@sourcegraph/prettierrc": "2.2.0",
     "@types/node": "latest",
-    "opn-cli": "4.0.0",
+    "opn-cli": "4.1.0",
     "prettier": "1.17.0",
     "tslint": "5.15.0",
     "tslint-config-prettier": "1.18.0"

yarn.lock

@@ -538,10 +538,10 @@ esutils@^2.0.2:
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
   integrity sha1-Cr9PHKpbyx96nYrMbepPqqBLrJs=
 
-file-type@^10.4.0:
-  version "10.8.0"
-  resolved "https://registry.yarnpkg.com/file-type/-/file-type-10.8.0.tgz#676dfd43fdb75d8ccdba1cff53351b71190c25ff"
-  integrity sha512-287YScp3cpRWzhM+/E+A85O4FJi4dHus0eA6eBUzkRc08d/JAwqeczU/nwLstRuzzq/S7TqvQg9mhv7xVsdINQ==
+file-type@^10.10.0:
+  version "10.11.0"
+  resolved "https://registry.yarnpkg.com/file-type/-/file-type-10.11.0.tgz#2961d09e4675b9fb9a3ee6b69e9cd23f43fd1890"
+  integrity sha512-uzk64HRpUZyTGZtVuvrjP0FYxzQrBf4rojot6J65YMEbwBLB0CWm0CLojVpwpmFmxcE/lkvYICgfcGozbBq6rw==
 
 find-up@^2.0.0:
   version "2.1.0"
@@ -981,24 +981,24 @@ once@^1.3.0:
   dependencies:
     wrappy "1"
 
-[email protected]:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/opn-cli/-/opn-cli-4.0.0.tgz#dcc00052db3f296384f76e56ca1c59ffd7deb4d0"
-  integrity sha512-/NxjgPPxgYWAEznUwbvQd3H/vfMBRoIy8ZAvKNNgye2TbFE4pToVwmbi34Xo2rkmlfJIeWPa++zUSj4WBVGJxQ==
+open@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/open/-/open-6.1.0.tgz#0e7e671b883976a4e5251b5d1ca905ab6f4be78f"
+  integrity sha512-Vqch7NFb/WsMujhqfq+B3u0xkssRjZlxh+NSsBSphpcgaFD7gfB0SUBfR91E9ygBlyNGNogXR2cUB8rRfoo2kQ==
+  dependencies:
+    is-wsl "^1.1.0"
+
+[email protected]:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/opn-cli/-/opn-cli-4.1.0.tgz#663878db6d9119e56bede17398fed90b692fb3ae"
+  integrity sha512-nVJ9dVb4fEKtmACWxUql+hhQxVWMt7BSRT+6TnB85W3xs5Pgk9sKW3icYeCIwOtOKALBw/6WUCoNmI1+ADfAow==
   dependencies:
-    file-type "^10.4.0"
+    file-type "^10.10.0"
     get-stdin "^6.0.0"
     meow "^5.0.0"
-    opn "^5.4.0"
+    open "^6.1.0"
     temp-write "^3.4.0"
 
-opn@^5.4.0:
-  version "5.4.0"
-  resolved "https://registry.yarnpkg.com/opn/-/opn-5.4.0.tgz#cb545e7aab78562beb11aa3bfabc7042e1761035"
-  integrity sha512-YF9MNdVy/0qvJvDtunAOzFw9iasOQHpVthTCvGzxt61Il64AYSGdK+rYwld7NAfk9qJ7dt+hymBNSc9LNYS+Sw==
-  dependencies:
-    is-wsl "^1.1.0"
-
 optjs@~3.2.2:
   version "3.2.2"
   resolved "https://registry.yarnpkg.com/optjs/-/optjs-3.2.2.tgz#69a6ce89c442a44403141ad2f9b370bd5bb6f4ee"