build(deps): bump digest from 0.10.6 to 0.10.7 (#720)

Bumps [digest](https://github.com/RustCrypto/traits) from 0.10.6 to 0.10.7.
- [Commits](RustCrypto/traits@digest-v0.10.6...digest-v0.10.7)

---
updated-dependencies:
- dependency-name: digest
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

ecdsa/Cargo.toml

@@ -21,7 +21,7 @@ signature = { version = "2.0, <2.2", default-features = false, features = ["rand
 
 # optional dependencies
 der = { version = "0.7", optional = true }
-digest = { version = "0.10.6", optional = true, default-features = false, features = ["oid"] }
+digest = { version = "0.10.7", optional = true, default-features = false, features = ["oid"] }
 rfc6979 = { version = "0.4", optional = true, path = "../rfc6979" }
 serdect = { version = "0.2", optional = true, default-features = false, features = ["alloc"] }
 sha2 = { version = "0.10", optional = true, default-features = false, features = ["oid"] }