deps: js-sha@^0.8.0->^0.9.3

[legobeat]

• Bump js-sha3 from ^0.8.0 to ^0.9.3. No breaking changes.
• Run npm dedupe to clean up duplicates in lockfile.
• Run npm audit --fix to address outstanding advisories.

[legobeat]

@mrcnk Just rebased this on dev and resolved the lockfile conflicts!