build(deps): bump solana-signature from 2.3.0 to 3.1.0

Bumps [solana-signature](https://github.com/anza-xyz/solana-sdk) from 2.3.0 to 3.1.0.
- [Release notes](https://github.com/anza-xyz/solana-sdk/releases)
- [Commits](https://github.com/anza-xyz/solana-sdk/compare/[email protected]@v3.1.0)

---
updated-dependencies:
- dependency-name: solana-signature
  dependency-version: 3.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Cargo.lock

@@ -35,7 +35,7 @@ solana-pubkey = "2.2"
 solana-remote-wallet = "2.3.4"
 solana-rent = "2.2"
 solana-sdk-ids = "2.2"
-solana-signature = "2.3"
+solana-signature = "3.1"
 solana-signer = "2.2"
 solana-system-interface = "1.0"
 solana-sysvar = "2.2"