fix: outdated/wrong algorithm argument passed to jsonwebtoken

[Ymirke]

@vonage/jwt VerifySignature defaults to RS256.

My best guess is that it's to accommodate a previous version of the authentication/authorization setup vonage had.

Either way, there is no reason for it, as JWTs contain the algorithm in the header.

Additionally, the JWTs I receive from Vonage are HS256. Meaning that this is breaking and verifyToken does not work.

There is another question as to wether this should be provided by the Vonage SDK, but that's up to you guys!

Description

Removed RS256 argument passed to verify function from jsonwebtoken.

Motivation and Context

My webhooks recieve HS256 tokens, not RS256 from Vonage. Either way it shouldn't be defaulted as the algorithm is contained in the JWT header.

Testing Details

No test run done, should pass though.

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Example Output or Screenshots (if appropriate)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[manchuck]

@Ymirke sorry about that. Do you mind updating the algorithm instead of removing it? We want to be explicit in what we accept