[Snyk] Security upgrade react-native from 0.43.4 to 0.63.0

[snyk-bot]

Snyk has created this PR to fix one or more vulnerable packages in the `npm` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • client/package.json

Vulnerabilities that will be fixed

With an upgrade:

Severity	Issue	Breaking Change	Exploit Maturity
	Arbitrary Code Injection SNYK-JS-MORGAN-72579	No	Proof of Concept
	Uninitialized Memory Exposure npm:base64-url:20180512	No	Mature
	Regular Expression Denial of Service (ReDoS) npm:debug:20170905	No	No Known Exploit
	Regular Expression Denial of Service (ReDoS) npm:fresh:20170908	No	No Known Exploit
	Regular Expression Denial of Service (ReDoS) npm:mime:20170907	No	No Known Exploit
	Regular Expression Denial of Service (ReDoS) npm:ms:20170412	No	No Known Exploit
	Regular Expression Denial of Service (ReDoS) npm:negotiator:20160616	No	No Known Exploit
	Prototype Override Protection Bypass npm:qs:20170213	No	No Known Exploit

Check the changes in this PR to ensure they won't cause issues with your project.

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