chore: add KMP library convention plugin infra [WPB-23496]

[Garzas]

https://wearezeta.atlassian.net/browse/WPB-23496

---

PR Submission Checklist for internal contributors

• The PR Title

  • conforms to the style of semantic commits messages¹ supported in Wire's Github Workflow²
  • contains a reference JIRA issue number like SQPIT-764
  • answers the question: If merged, this PR will: ... ³

• The PR Description

  • is free of optional paragraphs and you have filled the relevant parts to the best of your ability

---

What's new in this PR?

Issues

• We need a shared convention plugin for KMP library modules.
• Current build logic does not provide a single reusable setup for Android + iOS KMP targets.

Solutions

• Added com.wire.android.kmp.library convention plugin in build-logic.
• Plugin applies:
  • org.jetbrains.kotlin.multiplatform
  • com.android.kotlin.multiplatform.library
  • org.jetbrains.kotlin.plugin.compose
• Plugin configures:
  • Android target (compileSdk, minSdk, jvmTarget=17)
  • iOS targets (iosX64, iosArm64, iosSimulatorArm64)
• Updated version catalog:
  • AGP 9.0.0 -> 9.0.1
  • added wire-kmp-library alias

[pull-request-size]

Ups 🫰🟨

This PR is too big. Please try to break it up into smaller PRs.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud