Bump get-port from 3.0.0 to 4.0.0

Bumps [get-port](https://github.com/carlos-menezes/get-port) from 3.0.0 to 4.0.0.
- [Release notes](https://github.com/carlos-menezes/get-port/releases)
- [Commits](https://github.com/carlos-menezes/get-port/commits)

---
updated-dependencies:
- dependency-name: get-port
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Cargo.lock

@@ -1338,9 +1338,9 @@ dependencies = [
 
 [[package]]
 name = "get-port"
-version = "3.0.0"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac6c41a39c60ae1fc5bf0e220347ce90fa1e4bb0fcdac65b09bb5f4576bebc84"
+checksum = "888123007db34fbff15b5a347d46364dfbad531d6cb43de52cc0b62558f570e2"
 
 [[package]]
 name = "getrandom"

swap/Cargo.toml

@@ -76,7 +76,7 @@ zip = "0.5"
 [dev-dependencies]
 bdk-testutils = { version = "0.4" }
 bitcoin-harness = { git = "https://github.com/coblox/bitcoin-harness-rs" }
-get-port = "3"
+get-port = "4"
 hyper = "0.14"
 monero-harness = { path = "../monero-harness" }
 port_check = "0.1"