Bump sha2 from 0.9.5 to 0.9.8 (#10008)

Bumps [sha2](https://github.com/RustCrypto/hashes) from 0.9.5 to 0.9.8.
- [Release notes](https://github.com/RustCrypto/hashes/releases)
- [Commits](RustCrypto/hashes@sha2-v0.9.5...sha2-v0.9.8)

---
updated-dependencies:
- dependency-name: sha2
  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>

Author: dependabot[bot]

Cargo.lock

@@ -61,7 +61,7 @@ schnorrkel = { version = "0.9.1", features = [
 	"preaudit_deprecated",
 	"u64_backend",
 ], default-features = false, optional = true }
-sha2 = { version = "0.9.5", default-features = false, optional = true }
+sha2 = { version = "0.9.8", default-features = false, optional = true }
 hex = { version = "0.4", default-features = false, optional = true }
 twox-hash = { version = "1.6.1", default-features = false, optional = true }
 libsecp256k1 = { version = "0.6", default-features = false, features = ["hmac", "static-context"], optional = true }