build(deps): bump tokio from 1.49.0 to 1.50.0 (#534)

Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.49.0 to 1.50.0.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](tokio-rs/tokio@tokio-1.49.0...tokio-1.50.0)

---
updated-dependencies:
- dependency-name: tokio
  dependency-version: 1.50.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -50,7 +50,7 @@ spl-token-client = { version = "0.18.0" }
 spl-single-pool = { version = "3.0.0", path = "../../program", features = [
   "no-entrypoint",
 ] }
-tokio = "1.49"
+tokio = "1.50"
 
 [dev-dependencies]
 solana-test-validator = "3.1.3"