* ci: add cargo check on rust stable
* refactor: upgrade secp256kfun and fix resulting issues
* build(deps): update sigma_fun and ecdsa_fun to a52142cf7f
#1520#1521
* chore: fix clippy issue
* update to 91112f80b24
* bump to 294de1721add
* chore(deps): remove spectral
spectral fails to compile on rust stable 1.76 due to dep on deprecated
rustc-serialize
* secp256kfun: update to 7da9d277 and set rev in manifest
* update to 6fdc5d8
* switch to crates.io versions of ecdsa_fun and sigma_fun
* ci: update toolchain to 1.74 and fix draft action
* clippy fixes
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Co-authored-by: binarybaron <86064887+binarybaron@users.noreply.github.com>