Client Python 3.13.0

What's Changed

• Bumped version to 3.13.0a1 by @BewareMyPower in https://github.com/apache/pulsar-client-python/pull/305
• Fix some wheels not downloaded from stage-release.sh by @BewareMyPower in https://github.com/apache/pulsar-client-python/pull/301
• Bump C++ client to 4.2.0 by @BewareMyPower in https://github.com/apache/pulsar-client-python/pull/306
• feat(asyncio): include detailed error message in exception when creating a producer or consumer by @BewareMyPower in https://github.com/apache/pulsar-client-python/pull/307
• test: bump CI broker to 4.2.2 and fix delayed-delivery tests by @grishaf in https://github.com/apache/pulsar-client-python/pull/308
• feat: support null value messages (tombstones) for compacted topics by @grishaf in https://github.com/apache/pulsar-client-python/pull/304
• feat(asyncio): add Reader API by @BewareMyPower in https://github.com/apache/pulsar-client-python/pull/309
• Improve wheel build time by using native Linux arm runner by @BewareMyPower in https://github.com/apache/pulsar-client-python/pull/310

New Contributors

• @grishaf made their first contribution in https://github.com/apache/pulsar-client-python/pull/308

Full Changelog: https://github.com/apache/pulsar-client-python/compare/v3.12.0...v3.13.0