Bump actions/cache from v4 to v5 across all workflows and composite actions

[Copilot]

Updates all actions/cache references from v4 to v5 to adopt Node.js 24 runtime support.

Changed files:

• .github/workflows/ci.yml - 1 instance
• .github/actions/setup-ios/action.yml - 5 instances (Gradle dependencies, Gradle wrapper, Kotlin/Native compiler, Pods, CocoaPods)
• .github/actions/setup-android/action.yml - 3 instances (Gradle dependencies, Gradle wrapper, Kotlin/Native compiler)

Total: 9 instances updated

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[Copilot]

Pull request overview

This PR updates all actions/cache action references from v4 to v5 across GitHub workflows and composite actions to adopt Node.js 24 runtime support.

Key changes:

• Updated 9 instances of actions/cache from v4 to v5 across 3 files
• No changes to cache configurations, paths, keys, or restore-keys
• Maintains consistency across all Android and iOS CI/CD workflows

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
.github/actions/setup-ios/action.yml	Updated 5 cache action instances (Gradle dependencies, Gradle wrapper, Kotlin/Native compiler, Pods, and CocoaPods)
.github/actions/setup-android/action.yml	Updated 3 cache action instances (Gradle dependencies, Gradle wrapper, and Kotlin/Native compiler)

Note: The PR description mentions .github/workflows/ci.yml with 1 instance updated (line 128), but this file's diff was not provided for review. Search confirmation shows this file already uses actions/cache@v5.

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Review Summary: ✅ No issues found. This is a clean version upgrade with consistent changes across all files. All cache configurations remain unchanged, making this a low-risk update focused solely on adopting the newer Node.js 24 runtime support.

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