[CHORE] Bump iOS SDK to version 3.16.0

[cdn34dd]

What does this PR do?

Update the iOS SDK dependency to latest version (3.16.0)

Review checklist (to be filled by reviewers)

• Feature or bugfix MUST have appropriate tests
• Make sure you discussed the feature or bugfix with the maintaining team in an Issue
• Make sure each commit and the PR mention the Issue number (cf the CONTRIBUTING doc)
• If this PR is auto-generated, please make sure also to manually update the code related to the change

[Copilot]

Pull request overview

Updates the React Native bridge’s iOS CocoaPods dependencies to Datadog iOS SDK 3.16.0, and refreshes example/benchmark iOS pod state accordingly.

Changes:

• Bump Datadog iOS SDK pod versions in the core, webview, and session-replay podspecs to 3.16.0.
• Update iOS Podfile.lock files for example apps and benchmarks to reflect the new transitive dependency graph (e.g., OpenTelemetry, KSCrash).
• Adjust iOS trace unit test mocks for updated Swift/SDK type constraints.

Reviewed changes

Copilot reviewed 6 out of 9 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
packages/react-native-webview/DatadogSDKReactNativeWebView.podspec	Bumps DatadogWebViewTracking/DatadogInternal pod versions to 3.16.0.
packages/react-native-session-replay/DatadogSDKReactNativeSessionReplay.podspec	Bumps DatadogSessionReplay pod version to 3.16.0.
packages/core/ios/Tests/DdTraceTests.swift	Updates mock tracer/span types for updated protocol constraints.
packages/core/DatadogSDKReactNative.podspec	Bumps core Datadog iOS SDK pods (Core/Logs/Trace/RUM/etc.) and WebViewTracking to 3.16.0.
example/ios/Podfile.lock	Updates resolved pods and checksums for the example app after the SDK bump.
example-new-architecture/ios/Podfile.lock	Updates resolved pods and checksums for the new-architecture example after the SDK bump.
example-new-architecture/ios/DdSdkReactNativeExample.xcodeproj/project.pbxproj	Updates CocoaPods-generated Xcode project references/build phases.
benchmarks/ios/Podfile.lock	Updates resolved pods and checksums for the benchmarks app after the SDK bump.
benchmarks/ios/Podfile	Bumps OpenTelemetry-Swift-Sdk constraint to align with the updated DatadogTrace dependency chain.

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[datadog-prod-us1-4]

✅ All CI checks and tests passed.

🎉 All green!

🧪 All tests passed
❄️ No new flaky tests detected

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[Copilot]

Pull request overview

Copilot reviewed 7 out of 10 changed files in this pull request and generated no new comments.