[Security] Bump elliptic from 6.4.1 to 6.5.3

[dependabot-preview]

Bumps elliptic from 6.4.1 to 6.5.3. This update includes a security fix.

Vulnerabilities fixed

Sourced from The GitHub Security Advisory Database.

Signature Malleabillity in elliptic The Elliptic package before version 6.5.3 for Node.js allows ECDSA signature malleability via variations in encoding, leading '\0' bytes, or integer overflows. This could conceivably have a security-relevant impact if an application relied on a single canonical signature.

Affected versions: < 6.5.3

Commits

• 8647803 6.5.3
• 856fe4d signature: prevent malleability and overflows
• 6048941 6.5.2
• 9984964 package: bump dependencies
• ec735ed utils: leak less information in getNAF()
• 71e4e8e 6.5.1
• 7ec66ff short: add infinity check before multiplying
• ee7970b travis: really move on
• 637d021 travis: move on
• 5ed0bab package: update deps
• Additional commits viewable in compare view

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