Bump libsecp256k1 from 0.3.5 to 0.7.0 in /fuzz/storage-proof (#1508)
Bumps [libsecp256k1](https://github.com/paritytech/libsecp256k1) from 0.3.5 to 0.7.0. - [Release notes](https://github.com/paritytech/libsecp256k1/releases) - [Changelog](https://github.com/paritytech/libsecp256k1/blob/master/CHANGELOG.md) - [Commits](https://github.com/paritytech/libsecp256k1/compare/v0.3.5...v0.7.0) --- updated-dependencies: - dependency-name: libsecp256k1 dependency-type: indirect ... Signed-off-by: dependabot[bot] <[email protected]> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>