Bump macOS, Xcode, Swift, and Tuist versions. (#580)

This lets us use Swift Testing (test PR:
#579)

Author: maxg-square

.github/workflows/docs.yml

@@ -7,7 +7,7 @@ on:
 jobs:
   build:
     name: Generate docs with jazzy and publish to Github pages
-    runs-on: macos-14-xlarge
+    runs-on: macos-15-xlarge
 
     steps:
       - name: Checkout

.github/workflows/env.properties

@@ -1 +1 @@
-xcode_version=15.4.0
+xcode_version=16.4.0

.github/workflows/lint.yml

@@ -9,7 +9,7 @@ on:
 jobs:
   lint:
     name: Lint Swift code with SwiftFormat
-    runs-on: macos-14-xlarge
+    runs-on: macos-15-xlarge
 
     steps:
     - uses: actions/checkout@v4

.github/workflows/tests.yaml

@@ -10,7 +10,7 @@ jobs:
   spm:
     name: "iOS ${{ matrix.sdk }}"
 
-    runs-on: macos-14-xlarge
+    runs-on: macos-15-xlarge
 
     env:
       TUIST_TEST_DEVICE: iPhone SE (3rd generation)
@@ -30,9 +30,7 @@ jobs:
 
           - sdk: "17.2"
             simctl_runtime: "com.apple.CoreSimulator.SimRuntime.iOS-17-2"
-            # The iOS 17.2 SDK is pre-installed on the macOS 13 image.
-            # Attempting to install it will fail with an error.
-            installation_required: false
+            installation_required: true
 
     steps:
     - uses: actions/checkout@v4
@@ -81,4 +79,4 @@ jobs:
       if: ${{ failure() }}
       with:
         name: TestResult.xcresult
-        path: TestResult.xcresult
+        path: TestResult.xcresult

.mise.toml

@@ -1,5 +1,5 @@
 [tools]
-tuist = "4.23.0"
+tuist = "4.50.0"
 swiftformat = "0.50.8"
 
 [settings]

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.9
+// swift-tools-version:6.1
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription