chore(deps): bump secp256k1 from 0.27.0 to 0.28.0

[dependabot[bot]]

Bumps secp256k1 from 0.27.0 to 0.28.0.

Changelog

Sourced from secp256k1's changelog.

0.28.0 - 2023-10-23

• Add bindings to the ElligatorSwift implementation #627
• Depend on recent release of bitcoin_hashes v0.13.0 #621
• Add a verify function to PublicKey #618
• Add serialize function for schnorr::Signature #607
• Bump MSRV to 1.48 #595
• Remove implementations of PartialEq, Eq, PartialOrd, Ord, and Hash from the impl_array_newtype macro. Users will now need to derive these traits if they are wanted.

Commits

• 7de09c8 Merge rust-bitcoin/rust-secp256k1256: Tracking PR for release: `secp256k1 v0...
• 3dc5b16 Bump version to v0.28.0
• 3aada83 Merge rust-bitcoin/rust-secp256k1256: Add bindings to the ElligatorSwift imp...
• 39febcb Create rust-bidings
• da4f67b Merge rust-bitcoin/rust-secp256k1256: Update vendored lib secp256k1 to v0.4.0
• 80b2a8d Update vendored libsecp to v0.4.0
• d2285c9 ci: Remove MIPS* from CI
• 0d58f50 ci: generalize grp in "illegal callback" test
• acf9ac1 delete test_manual_create_destroy test
• 04ce508 lib: fix bad unit test
• Additional commits viewable in compare view

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