Fix failing long labels integration test

[NikolaStojanovicVicert]

Description

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Code cleanup/refactoring
• Test improvements
• Build/CI improvements

Screenshots/Logs

Checklist

• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I have updated the CHANGELOG.md (if applicable)

---

Note

Updates README install version to 0.2.0 and loosens the long-label performance assertion in integration tests.

• Docs:
  • Update SPM installation version in README.md from 0.1.0 to 0.2.0.
• Tests:
  • Relax performance threshold in IntegrationTests.swift long-label test from < 0.005s to < 0.01s.

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