chore(api): bump swift-figma-api to 0.2.0, use FigmaClient.baseURL in mock

Update dependency to 0.2.0 which exposes baseURL as a public static
property. Replace hardcoded URL string in MockClient with the canonical
FigmaClient.baseURL for single source of truth.

Author: alexey1312

Package.resolved

@@ -27,7 +27,7 @@ let package = Package(
         .package(url: "https://github.com/mattt/swift-yyjson", from: "0.5.0"),
         .package(url: "https://github.com/apple/pkl-swift", from: "0.8.0"),
         .package(url: "https://github.com/DesignPipe/swift-svgkit.git", from: "0.1.0"),
-        .package(url: "https://github.com/DesignPipe/swift-figma-api.git", from: "0.1.0"),
+        .package(url: "https://github.com/DesignPipe/swift-figma-api.git", from: "0.2.0"),
     ],
     targets: [
         // Main target

Package.swift

@@ -57,8 +57,7 @@ public final class MockClient: Client, @unchecked Sendable {
 
     public func request<T: Endpoint>(_ endpoint: T) async throws -> T.Content {
         let key = String(describing: type(of: endpoint))
-        // swiftlint:disable:next force_unwrapping
-        let baseURL = URL(string: "https://api.figma.com/v1/")!
+        let baseURL = FigmaClient.baseURL
         let request = try endpoint.makeRequest(baseURL: baseURL)
 
         // Record timestamp and get delay (thread-safe)