Merge pull request from GHSA-r6r4-5pr8-gjcp

* Replace the ancient CVaporURLParser code with use of Foundation's URLComponents

* Fixes for weird macOS behaviors

* Tests fixup

* Add test for extreme-length untrusted input which triggered failures in the old implementation.

* Fix Sendable warnings across multiple Swift versions

* Indirect through URL to get to URLComponents so parsing is consistent on Linux.

* A couple more test fixes.

Package.swift

@@ -66,15 +66,13 @@ let package = Package(
     targets: [
         // C helpers
         .target(name: "CVaporBcrypt"),
-        .target(name: "CVaporURLParser"),
 
         // Vapor
         .target(name: "Vapor", dependencies: [
             .product(name: "AsyncHTTPClient", package: "async-http-client"),
             .product(name: "AsyncKit", package: "async-kit"),
             .product(name: "Backtrace", package: "swift-backtrace"),
             .target(name: "CVaporBcrypt"),
-            .target(name: "CVaporURLParser"),
             .product(name: "ConsoleKit", package: "console-kit"),
             .product(name: "Logging", package: "swift-log"),
             .product(name: "Metrics", package: "swift-metrics"),

Package@swift-5.9.swift

@@ -63,16 +63,14 @@ let package = Package(
     targets: [
         // C helpers
         .target(name: "CVaporBcrypt"),
-        .target(name: "CVaporURLParser"),
-
+
         // Vapor
         .target(
             name: "Vapor",
             dependencies: [
                 .product(name: "AsyncHTTPClient", package: "async-http-client"),
                 .product(name: "AsyncKit", package: "async-kit"),
                 .target(name: "CVaporBcrypt"),
-                .target(name: "CVaporURLParser"),
                 .product(name: "ConsoleKit", package: "console-kit"),
                 .product(name: "Logging", package: "swift-log"),
                 .product(name: "Metrics", package: "swift-metrics"),
@@ -130,15 +128,21 @@ let package = Package(
                 .copy("Utilities/expired.crt"),
                 .copy("Utilities/expired.key"),
             ],
-            swiftSettings: [.enableExperimentalFeature("StrictConcurrency=complete")]
+            swiftSettings: [
+                .enableUpcomingFeature("BareSlashRegexLiterals"),
+                .enableExperimentalFeature("StrictConcurrency=complete"),
+            ]
         ),
         .testTarget(
             name: "AsyncTests",
             dependencies: [
                 .product(name: "NIOTestUtils", package: "swift-nio"),
                 .target(name: "XCTVapor"),
             ],
-            swiftSettings: [.enableExperimentalFeature("StrictConcurrency=complete")]
+            swiftSettings: [
+                .enableUpcomingFeature("BareSlashRegexLiterals"),
+                .enableExperimentalFeature("StrictConcurrency=complete"),
+            ]
         ),
     ]
 )