ci: update Xcode to 15.2 (#222)

Author: Guilherme Souza

.github/workflows/ci.yml

@@ -19,8 +19,8 @@ jobs:
     name: Test Library (Darwin)
     steps:
       - uses: actions/checkout@v3
-      - name: Select Xcode 15.0.1
-        run: sudo xcode-select -s /Applications/Xcode_15.0.1.app
+      - name: Select Xcode 15.2
+        run: sudo xcode-select -s /Applications/Xcode_15.2.app
       - name: Run tests
         run: make test-library
 
@@ -29,8 +29,8 @@ jobs:
     runs-on: macos-13
     steps:
       - uses: actions/checkout@v4
-      - name: Select Xcode 15
-        run: sudo xcode-select -s /Applications/Xcode_15.0.1.app
+      - name: Select Xcode 15.2
+        run: sudo xcode-select -s /Applications/Xcode_15.2.app
       - name: Build for library evolution
         run: make build-for-library-evolution
 
@@ -66,8 +66,8 @@ jobs:
     name: Build Examples
     steps:
       - uses: actions/checkout@v3
-      - name: Select Xcode 15.0.1
-        run: sudo xcode-select -s /Applications/Xcode_15.0.1.app
+      - name: Select Xcode 15.2
+        run: sudo xcode-select -s /Applications/Xcode_15.2.app
       - name: Prepare Examples Project
         run: cp Examples/Examples/_Secrets.swift Examples/Examples/Secrets.swift
       - name: Build examples