Update ipstack requirement from 0.4 to 0.5

Updates the requirements on [ipstack](https://github.com/narrowlink/ipstack) to permit the latest version.
- [Release notes](https://github.com/narrowlink/ipstack/releases)
- [Commits](https://github.com/narrowlink/ipstack/compare/v0.4.0...v.0.5.0)

---
updated-dependencies:
- dependency-name: ipstack
  dependency-version: 0.5.0
  dependency-type: direct:production
...

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

Cargo.toml

@@ -38,7 +38,7 @@ env_logger = "0.11"
 hashlink = "0.10"
 hickory-proto = "0.25"
 httparse = "1"
-ipstack = { version = "0.4" }
+ipstack = { version = "0.5" }
 log = { version = "0.4", features = ["std"] }
 mimalloc = { version = "0.1", default-features = false, optional = true }
 percent-encoding = "2"