feat!: drop old architecture

[okwasniewski]

PR Description

This PR drops old architecture and it's the last PR before 1.0.0 RC phase

[changeset-bot]

🦋 Changeset detected

Latest commit: ea5afcb

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 3 packages

Name	Type
react-native-bottom-tabs	Major
@bottom-tabs/expo-template	Major
@bottom-tabs/react-navigation	Major

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[Copilot]

Pull Request Overview

This PR removes support for the old React Native architecture (Paper) and transitions the library to only support the new architecture (Fabric) as a breaking change before the 1.0.0 RC phase.

Key changes:

• Removed old architecture build configurations and Turbo tasks
• Eliminated old architecture-specific code files and implementations
• Consolidated Android view manager implementation by removing the old architecture layer

Reviewed Changes

Copilot reviewed 17 out of 19 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
turbo.json	Removed build:android:fabric task configuration
packages/react-native-bottom-tabs/react-native-bottom-tabs.podspec	Removed old architecture conditional logic and always include common subspec
packages/react-native-bottom-tabs/ios/TabViewProvider.swift	Removed old architecture properties and parsing functions
packages/react-native-bottom-tabs/ios/RCTTabViewViewManager.mm	Completely removed old architecture view manager
packages/react-native-bottom-tabs/ios/Events/*.swift	Removed old architecture event classes
packages/react-native-bottom-tabs/android/src/oldarch/RCTTabViewManager.kt	Removed old architecture Android manager
packages/react-native-bottom-tabs/android/src/main/java/com/rcttabview/RCTTabViewManager.kt	Consolidated implementation by inlining old RCTTabViewImpl logic
packages/react-native-bottom-tabs/android/src/main/java/com/rcttabview/RCTTabViewImpl.kt	Removed implementation class that was abstracted for old architecture
packages/react-native-bottom-tabs/android/build.gradle	Hardcoded new architecture as always enabled
package.json	Removed build:android:fabric script
apps/example/package.json	Consolidated Android build scripts to only support new architecture
CONTRIBUTING.md	Updated documentation to reflect new architecture only support
.github/workflows/ci.yml	Removed separate CI jobs for old architecture builds
.changeset/breezy-camels-lead.md	Added changeset documenting breaking change

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