Bump @parity/shared from 2.2.28 to 3.0.1

Bumps [@parity/shared](https://github.com/paritytech/js-shared) from 2.2.28 to 3.0.1.
- [Release notes](https://github.com/paritytech/js-shared/releases)
- [Commits](https://github.com/paritytech/js-shared/commits)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -177,7 +177,7 @@
     "@parity/plugin-signer-default": "github:parity-js/plugin-signer-default#dcf8cf23bb050070b6a691413b974b5c2d7d1ce6",
     "@parity/plugin-signer-hardware": "github:parity-js/plugin-signer-hardware#e8b8a4e67adc37870e370d22805632d08012b9ee",
     "@parity/plugin-signer-qr": "github:parity-js/plugin-signer-qr#c275ba13524e9f6759079fabd10faf49cc00cfc0",
-    "@parity/shared": "2.2.28",
+    "@parity/shared": "3.0.1",
     "@parity/ui": "3.1.9",
     "axios": "0.18.1",
     "command-exists": "1.2.8",