chore: update package dependencies (#26)

Author: github-actions[bot]

Package.resolved

@@ -5,14 +5,14 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-docc-plugin",
       "state" : {
-        "revision" : "26ac5758409154cc448d7ab82389c520fa8a8247",
-        "version" : "1.3.0"
+        "revision" : "85e4bb4e1cd62cec64a4b8e769dcefdf0c5b9d64",
+        "version" : "1.4.3"
       }
     },
     {
       "identity" : "swift-docc-symbolkit",
       "kind" : "remoteSourceControl",
-      "location" : "https://github.com/apple/swift-docc-symbolkit",
+      "location" : "https://github.com/swiftlang/swift-docc-symbolkit",
       "state" : {
         "revision" : "b45d1f2ed151d057b54504d653e0da5552844e34",
         "version" : "1.0.0"

Package.swift

@@ -27,7 +27,7 @@ let package = Package(
     dependencies: [
         // Dependencies declare other packages that this package depends on.
         .package(url: "https://github.com/apple/swift-numerics", from: "1.0.0"),
-        .package(url: "https://github.com/apple/swift-docc-plugin", from: "1.1.0"),
+        .package(url: "https://github.com/apple/swift-docc-plugin", from: "1.4.3"),
     ],
     targets: [
         // Targets are the basic building blocks of a package. A target can define a module or a test suite.