[RELEASE] React Native SDK v2.14.8

[sbarrio]

What does this PR do?

Prepares v2.14.8 release which includes a few important fixes.

What's Changed

• [V2] [FIX] RUMS-5852 Android JS long task detection by @sbarrio in [V2] [FIX] [RUMS-5852] Android JS long task detection #1291
• [V2] [FIX] Update resourceTracingSamplingRate on deferred DatadogProvider initialization by @sbarrio in [V2] [FIX] Update resourceTracingSamplingRate on deferred DatadogProvider initialization #1290

Full Changelog: 2.14.7...2.14.8

• 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

Prepares the React Native SDK v2.14.8 release by bumping package versions and updating the various release artifacts/lockfiles so that the monorepo and example apps reference the new version consistently.

Changes:

• Bump versions from 2.14.7 → 2.14.8 across Lerna, core/package packages, and workspace references (including yarn.lock).
• Update release packaging manifests (release-content.txt) to match the contents expected for publishing.
• Update iOS CocoaPods lockfiles in example/benchmark apps and refresh the native SDK version matrix entry.

Reviewed changes

Copilot reviewed 20 out of 24 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
yarn.lock	Updates workspace dependency references to 2.14.8.
lerna.json	Bumps monorepo version to 2.14.8.
packages/core/package.json	Bumps core package version to 2.14.8.
packages/core/src/version.ts	Updates exported SDK version constant to 2.14.8.
packages/core/ios/Sources/SdkVersion.swift	Updates iOS bridge SDK version string to 2.14.8.
packages/core/android/src/main/kotlin/com/datadog/reactnative/SdkVersion.kt	Updates Android bridge SDK version string to 2.14.8.
packages/core/release-content.txt	Updates publish manifest file list for the core package release.
packages/codepush/package.json	Bumps package version and workspace devDependency to 2.14.8.
packages/react-native-navigation/package.json	Bumps package version and devDependency to 2.14.8.
packages/react-native-navigation/release-content.txt	Updates publish manifest file list for release contents.
packages/react-navigation/package.json	Bumps package version and devDependency to 2.14.8.
packages/react-navigation/release-content.txt	Updates publish manifest file list for release contents.
packages/react-native-apollo-client/package.json	Bumps package version to 2.14.8.
packages/react-native-apollo-client/release-content.txt	Updates publish manifest file list for release contents.
packages/react-native-babel-plugin/package.json	Bumps package version to 2.14.8.
packages/react-native-babel-plugin/release-content.txt	Updates publish manifest file list for release contents.
packages/react-native-session-replay/package.json	Bumps package version to 2.14.8.
packages/react-native-session-replay/release-content.txt	Updates publish manifest file list for release contents.
packages/react-native-webview/package.json	Bumps package version to 2.14.8.
packages/internal-testing-tools/package.json	Bumps internal testing tools package version to 2.14.8.
NATIVE_SDK_VERSIONS.md	Adds the 2.14.8 row mapping to iOS/Android native SDK versions.
example/ios/Podfile.lock	Updates local pod versions/checksums to reflect 2.14.8.
example-new-architecture/ios/Podfile.lock	Updates local pod versions/checksums to reflect 2.14.8.
benchmarks/ios/Podfile.lock	Updates local pod versions/checksums to reflect 2.14.8.

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