Update ci.yml - macOS-15 image (home-assistant#3160)

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Author: bgoncal

.github/workflows/ci.yml

@@ -43,7 +43,7 @@ jobs:
             --lint --config .swiftformat .
 
   test:
-    runs-on: macos-14
+    runs-on: macos-15
     timeout-minutes: 60
     steps:
       - uses: actions/checkout@v4
@@ -110,7 +110,7 @@ jobs:
     if: |
       github.event_name == 'pull_request' &&
       github.event.pull_request.head.repo.full_name == 'home-assistant/iOS'
-    runs-on: macos-14
+    runs-on: macos-15
     timeout-minutes: 60
     steps:
       - uses: actions/checkout@v4

.github/workflows/distribute.yml

@@ -16,7 +16,7 @@ env:
 
 jobs:
   build:
-    runs-on: macos-14
+    runs-on: macos-15
     strategy:
       fail-fast: false
       matrix:

.github/workflows/download_localized_strings.yml

@@ -11,7 +11,7 @@ env:
 
 jobs:
   update_strings:
-    runs-on: macos-14
+    runs-on: macos-15
     steps:
       - uses: actions/checkout@v4
         with:

fastlane/Fastfile

@@ -459,7 +459,7 @@ lane :test do
     scheme: 'Tests-Unit',
     result_bundle: true,
     skip_package_dependencies_resolution: true,
-    destination: 'platform=iOS Simulator,name=iPhone 14,OS=17.0.1'
+    destination: 'platform=iOS Simulator,name=iPhone 16,OS=18.1'
   )
 end