Negation APIs

Highlights

• Adding Negation APIs by @csjones in #360

What's Changed

• Bump Submodules/secp256k1-zkp from 050d9b2 to ce18267 by @dependabot in #344
• Bump Submodules/swift-crypto from 33a20e6 to dcf0815 by @dependabot in #345
• Bump Submodules/secp256k1 from f6bef03 to 1f33bb2 by @dependabot in #346
• Bump Submodules/secp256k1 from 1f33bb2 to 1c89536 by @dependabot in #347
• Bump Submodules/secp256k1 from 1c89536 to 024a409 by @dependabot in #348
• Bump Submodules/secp256k1 from 024a409 to 4b0f711 by @dependabot in #349
• Bump Submodules/secp256k1 from 4b0f711 to 3c81838 by @dependabot in #350
• Bump Submodules/secp256k1 from 3c81838 to f30c748 by @dependabot in #351
• Bump Submodules/secp256k1 from f30c748 to 24c768a by @dependabot in #354
• Bump Submodules/secp256k1 from 24c768a to 54d34b6 by @dependabot in #357
• Bump Submodules/secp256k1-zkp from ce18267 to 4eab2c2 by @dependabot in #353
• Bump Submodules/secp256k1 from 54d34b6 to 7d4f86d by @dependabot in #358
• Bump Submodules/secp256k1-zkp from 4eab2c2 to edcba04 by @dependabot in #359

Full Changelog: 0.12.0...0.12.1