build(deps): update pollster requirement from 0.4.0 to 1.0.0

Updates the requirements on [pollster](https://github.com/zesterer/pollster) to permit the latest version.
- [Changelog](https://github.com/zesterer/pollster/blob/master/CHANGELOG.md)
- [Commits](https://github.com/zesterer/pollster/commits)

---
updated-dependencies:
- dependency-name: pollster
  dependency-version: 1.0.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

abci/Cargo.toml

@@ -93,4 +93,4 @@ tokio = { version = "1.40", features = ["macros", "signal", "time", "io-std"] }
 hex = { version = "0.4.3" }
 lazy_static = { version = "1.4.0" }
 # Note: pollster is not safe outside of tests, we had issues with it in the past
-pollster = { version = "0.4.0" }
+pollster = { version = "1.0.0" }