fix: Update CI iOS version. (#557)

* fix: Update CI iOS version.

* fix: Update iPhone version to 16

Author: iHackSubhodip

.github/workflows/build.yml

@@ -48,13 +48,13 @@ jobs:
       run: |
         xcodebuild clean build analyze \
           -scheme GoogleMapsUtils -configuration Debug \
-          -destination "platform=iOS Simulator,OS=17.4,name=iPhone 15" \
+          -destination "platform=iOS Simulator,OS=18.4,name=iPhone 16" \
           -disableAutomaticPackageResolution | xcpretty
 
     - name: Run unit tests on Swift Package
       run: |
         xcodebuild test -scheme GoogleMapsUtils \
-          -destination "platform=iOS Simulator,OS=17.4,name=iPhone 15" \
+          -destination "platform=iOS Simulator,OS=18.4,name=iPhone 16" \
           -disableAutomaticPackageResolution
 
     - name: Upload test results to CodeCov
@@ -108,7 +108,7 @@ jobs:
       run: |
         xcodebuild -workspace samples/SwiftDemoApp/SwiftDemoApp.xcworkspace \
           -scheme SwiftDemoApp -configuration Debug \
-          -destination "platform=iOS Simulator,OS=17.4,name=iPhone 15" build | xcpretty
+          -destination "platform=iOS Simulator,OS=18.4,name=iPhone 16" build | xcpretty
 
   build_objc_sample:
     name: Build Objective-C Sample App with CocoaPods locally
@@ -129,7 +129,7 @@ jobs:
       run: |
         xcodebuild -workspace samples/ObjCDemoApp/ObjCDemoApp.xcworkspace \
           -scheme ObjCDemoApp -configuration Debug \
-          -destination "platform=iOS Simulator,OS=17.4,name=iPhone 15" build | xcpretty
+          -destination "platform=iOS Simulator,OS=18.4,name=iPhone 16" build | xcpretty
 
   test: # used as required status check
     runs-on: ubuntu-latest