Update dependency vapor/leaf to from: "4.5.0"

Author: renovate[bot]

Package.swift

@@ -9,7 +9,7 @@ let package = Package(
   dependencies: [
     .package(url: "https://github.com/kishikawakatsumi/swift-experimental-string-processing.git", branch: "metrics"),
     .package(url: "https://github.com/vapor/vapor.git", from: "4.114.1"),
-    .package(url: "https://github.com/vapor/leaf.git", from: "4.4.1"),
+    .package(url: "https://github.com/vapor/leaf.git", from: "4.5.0"),
   ],
   targets: [
     .executableTarget(