[Snyk] Fix for 13 vulnerabilities

[kumavis]

Snyk has created this PR to fix 13 vulnerabilities in the yarn dependencies of this project.

Snyk changed the following file(s):

• trials/secp256k1-newBN/package.json
• trials/secp256k1-newBN/yarn.lock

Note for zero-installs users

If you are using the Yarn feature zero-installs that was introduced in Yarn V2, note that this PR does not update the .yarn/cache/ directory meaning this code cannot be pulled and immediately developed on as one would expect for a zero-install project - you will need to run yarn to update the contents of the ./yarn/cache directory.
If you are not using zero-install you can ignore this as your flow should likely be unchanged.

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Generation of Predictable Numbers or Identifiers SNYK-JS-PBKDF2-10495496	848
	Improper Verification of Cryptographic Signature SNYK-JS-ELLIPTIC-8187303	786
	Improper Verification of Cryptographic Signature SNYK-JS-ELLIPTIC-7577916	776
	Improper Verification of Cryptographic Signature SNYK-JS-ELLIPTIC-7577917	776
	Improper Verification of Cryptographic Signature SNYK-JS-ELLIPTIC-7577918	776
	Information Exposure SNYK-JS-ELLIPTIC-8720086	771
	Improper Validation of Integrity Check Value SNYK-JS-SECP256K1-8237220	756
	Generation of Predictable Numbers or Identifiers SNYK-JS-PBKDF2-10495498	741
	Cryptographic Issues SNYK-JS-ELLIPTIC-571484	706
	Improper Verification of Cryptographic Signature SNYK-JS-ELLIPTIC-8172694	629
	Insufficient Visual Distinction of Homoglyphs Presented to User SNYK-JS-BASEX-10118294	559
	Cryptographic Issues SNYK-JS-ELLIPTIC-1064899	554
	Timing Attack SNYK-JS-ELLIPTIC-511941	509

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Important

• Check the changes in this PR to ensure they won't cause issues with your project.
• Max score is 1000. Note that the real score may have changed since the PR was raised.
• This PR was automatically created by Snyk using the credentials of a real user.

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Learn how to fix vulnerabilities with free interactive lessons:

🦉 Cryptographic Issues
🦉 Timing Attack