improve swift-syntax compatibility

.github/workflows/ci.yml

@@ -0,0 +1,32 @@
+#
+# This source file is part of the Stanford Spezi open source project
+#
+# SPDX-FileCopyrightText: 2026 Stanford University and the project authors (see CONTRIBUTORS.md)
+#
+# SPDX-License-Identifier: MIT
+#
+
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pull-requests: write
+
+concurrency:
+  group: CI-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  ci:
+    name: CI
+    uses: StanfordBDHG/.github/.github/workflows/swift-package-ci.yml@v2
+    with:
+      linux_run_tests: true
+    secrets: inherit

Package.swift

@@ -14,13 +14,17 @@ let package = Package(
     name: "ThreadLocal",
     platforms: [
         .macOS(.v14),
-        .iOS(.v17)
+        .iOS(.v17),
+        .macCatalyst(.v17),
+        .watchOS(.v10),
+        .visionOS(.v1),
+        .tvOS(.v17)
     ],
     products: [
         .library(name: "ThreadLocal", targets: ["ThreadLocal"])
     ],
     dependencies: [
-        .package(url: "https://github.com/swiftlang/swift-syntax.git", from: "602.0.0")
+        .package(url: "https://github.com/swiftlang/swift-syntax.git", "601.0.0"..<"604.0.0")
     ],
     targets: [
         .macro(