Update WireGuard version (#460)

Required:

Task/Issue URL: https://app.asana.com/0/1203137811378537/1205173072817403/f
iOS PR: duckduckgo/iOS#1918
macOS PR: duckduckgo/macos-browser#1491
What kind of version bump will this require?: Patch

Optional:

Tech Design URL:
CC:

Description:

This PR updates the wireguard-apple repo version. The new WireGuard update includes a fix for the new linker in Xcode 15, which was preventing the macOS browser from compiling.

Package.resolved

@@ -95,8 +95,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/duckduckgo/wireguard-apple",
       "state" : {
-        "revision" : "cf3c0f5132dbb8de08c46155a1bbd5e5bb6a47c1",
-        "version" : "1.1.0"
+        "revision" : "2d8172c11478ab11b0f5ad49bdb4f93f4b3d5e0d",
+        "version" : "1.1.1"
       }
     }
   ],

Package.swift

@@ -40,7 +40,7 @@ let package = Package(
         .package(url: "https://github.com/duckduckgo/privacy-dashboard", exact: "1.4.0"),
         .package(url: "https://github.com/httpswift/swifter.git", exact: "1.5.0"),
         .package(url: "https://github.com/duckduckgo/bloom_cpp.git", exact: "3.0.0"),
-        .package(url: "https://github.com/duckduckgo/wireguard-apple", exact: "1.1.0")
+        .package(url: "https://github.com/duckduckgo/wireguard-apple", exact: "1.1.1")
     ],
     targets: [
         .target(