[Snyk] Fix for 2 vulnerabilities

[adamlaska]

Snyk has created this PR to fix 2 vulnerabilities in the npm dependencies of this project.

Snyk changed the following file(s):

• packages/bitcore-wallet-service/package.json
• packages/bitcore-wallet-service/package-lock.json

Vulnerabilities that will be fixed with an upgrade:

	Issue
	Prototype Pollution SNYK-JS-LODASH-15869619
	Arbitrary Code Injection SNYK-JS-LODASH-15869625

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Learn how to fix vulnerabilities with free interactive lessons:

🦉 Prototype Pollution
🦉 Arbitrary Code Injection

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