Fix CI

Author: sindresorhus

.github/workflows/main.yml

@@ -4,13 +4,12 @@ on:
   - pull_request
 jobs:
   test:
-    runs-on: macos-14
+    runs-on: macos-26
     steps:
-      - uses: actions/checkout@v4
-      - run: sudo xcode-select -switch /Applications/Xcode_16.2.app
+      - uses: actions/checkout@v5
       - run: swift test
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: norio-nomura/action-swiftlint@3.2.1