Bump shank from 0.0.8 to 0.4.3

Bumps [shank](https://github.com/metaplex-foundation/shank) from 0.0.8 to 0.4.3.
- [Changelog](https://github.com/metaplex-foundation/shank/blob/master/release.toml)
- [Commits](https://github.com/metaplex-foundation/shank/compare/shank@v0.0.8...shank@v0.4.3)

---
updated-dependencies:
- dependency-name: shank
  dependency-version: 0.4.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.lock

@@ -13,5 +13,5 @@ default = []
 
 [dependencies]
 borsh = "0.9"
-shank = "0.0.8"
+shank = "0.4.3"
 solana-program = "=1.18.17"