Update dependency apple/swift-docc-plugin to from: "1.4.3" (#32)

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

Author: renovate[bot]

Package.swift

@@ -34,7 +34,7 @@ let package = Package(
         .package(url: "https://github.com/apple/swift-argument-parser", from: "1.5.0"),
         .package(url: "https://github.com/swiftlang/swift-syntax", from: "600.0.0"),
         .package(url: "https://github.com/nicklockwood/SwiftFormat", from: "0.54.6"),
-        .package(url: "https://github.com/apple/swift-docc-plugin", from: "1.0.0")
+        .package(url: "https://github.com/apple/swift-docc-plugin", from: "1.4.3")
     ],
     targets: [