secp256k1 updated to v4

[e-asphyx]

Update secp256k1 to version having correct curve name

[cloudflare-workers-and-pages]

Deploying with    Cloudflare Pages

Latest commit:	16fbd85
Status:	✅  Deploy successful!
Preview URL:	https://57874e64.signatory.pages.dev
Branch Preview URL:	https://fix-sec256k1-version.signatory.pages.dev

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[danielelisi]

Integration tests are failing due to the Octez binaries being renamed. I've merged #260 so I'll rebase this PR on current master

[codeclimate]

Code Climate has analyzed commit 16fbd85 and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 100.0% (50% is the threshold).

This pull request will bring the total coverage in the repository to 46.6% (0.0% change).

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[AbineshECAD]

Transaction successful with the imported azure secp256k1 key.
INFO[0026] GET /authorized_keys duration="580.7µs" hostname="localhost:6732" method=GET path=/authorized_keys start_time="2022-11-16T19:00:32+05:30" status=200 INFO[0026] Requesting signing operation ops="map[reveal:1 transaction:1]" ops_total=2 pkh=tz2PeYw5zJS3Q2aXd2zuQbjs4MTbwmvCQ6tg request=generic vault=Azure vault_name="https://sigy.vault.azure.net/" INFO[0026] About to sign raw bytes ops="map[reveal:1 transaction:1]" ops_total=2 pkh=tz2PeYw5zJS3Q2aXd2zuQbjs4MTbwmvCQ6tg raw=03ecf855ffdc6638bdf9532721585e9cae160a9a9742892045b87bbd5bf8e6eda66b01a8310ad8214ec822867e95136b44ce7cb5751834e8029de601e80700010287ea0b20e3a932e4363ef521f5d03b9f6c28f4e4aca5eb1db7b7ebcf3dd79da46c01a8310ad8214ec822867e95136b44ce7cb575183482029ee601e9070080ade2040002f846b9ed8834c257a6f0c3cebeab4f58508b20ad00 request=generic vault=Azure vault_name="https://sigy.vault.azure.net/" INFO[0028] Signed generic successfully ops="map[reveal:1 transaction:1]" ops_total=2 pkh=tz2PeYw5zJS3Q2aXd2zuQbjs4MTbwmvCQ6tg request=generic vault=Azure vault_name="https://sigy.vault.azure.net/" INFO[0028] POST /keys/tz2PeYw5zJS3Q2aXd2zuQbjs4MTbwmvCQ6tg duration=1.911840721s hostname="localhost:6732" method=POST path=/keys/tz2PeYw5zJS3Q2aXd2zuQbjs4MTbwmvCQ6tg start_time="2022-11-16T19:00:32+05:30" status=200