Bump to 3.12.5

[KennyHuRadar]

No description provided.

[Copilot]

Pull Request Overview

This PR updates the project’s version to 3.12.5 across package metadata, native plugins, and documentation.

• Bump Flutter package version and Android/iOS plugin metadata to 3.12.5
• Upgrade iOS RadarSDK dependency to 3.21.7
• Add a new 3.12.5 section in the changelog

Reviewed Changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
pubspec.yaml	Updated package version to 3.12.5
ios/flutter_radar.podspec	Updated podspec version to 3.12.5 and RadarSDK to 3.21.7
ios/Classes/RadarFlutterPlugin.m	Updated stored SDK version to 3.12.5
android/src/.../RadarFlutterPlugin.java	Updated stored SDK version to 3.12.5
android/build.gradle	Bumped versionName to 3.12.5
CHANGELOG.md	Added header and entry for version 3.12.5

Comments suppressed due to low confidence (2)

CHANGELOG.md:1

• Add a space between '#' and the version number in the Markdown header for consistency (e.g., change #3.12.5 to # 3.12.5).

#3.12.5

CHANGELOG.md:2

• [nitpick] Consider expanding this entry to mention the Flutter package bump to 3.12.5 and the Android versionName update, so users get a complete overview of changes in this release.

- Bumps iOS version from 3.19.5 to 3.21.7