Update dependency vapor/vapor to from: "4.115.0" (#736)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Package.swift

@@ -7,7 +7,7 @@ let package = Package(
     .macOS(.v10_15)
   ],
   dependencies: [
-    .package(url: "https://github.com/vapor/vapor.git", from: "4.114.1"),
+    .package(url: "https://github.com/vapor/vapor.git", from: "4.115.0"),
     .package(url: "https://github.com/vapor/leaf.git", from: "4.5.0"),
     .package(url: "https://github.com/apple/swift-format.git", from: "510.1.0"),
   ],