build(deps): update bollard requirement from 0.14.0 to 0.15.0 (#37)

Updates the requirements on [bollard](https://github.com/fussybeaver/bollard) to permit the latest version.
- [Release notes](https://github.com/fussybeaver/bollard/releases)
- [Commits](fussybeaver/bollard@v0.14.0...v0.15.0)

---
updated-dependencies:
- dependency-name: bollard
  dependency-type: direct:production
...

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

abci/Cargo.toml

@@ -61,7 +61,7 @@ futures = { version = "0.3.28", optional = true }
 anyhow = { version = "1.0.69" }
 bincode = { version = "2.0.0-rc.2" }
 blake2 = { version = "0.10.6" }
-bollard = { version = "0.14.0" }
+bollard = { version = "0.15.0" }
 futures = { version = "0.3.26" }
 tokio = { version = "1", features = ["macros", "signal", "time", "io-std"] }
 hex = { version = "0.4" }