Voyager

* Concurrency fixes from https://github.com/spotify/voyager/pull/61. Makes `query` thread-safe with `addItems` and `addItems` thread-safe when adding to the same index from multiple external threads or processes at the same time
* PyPI metadata fixes from https://github.com/spotify/voyager/pull/60
* Implements `resizeIndex` in JNI bindings

Includes change to StringIndex to expose parallel query method from the underlying Voyager index

What's Changed
* Fix python testing by markkohdev in https://github.com/spotify/voyager/pull/43
* Remove need for GPG key at test time. by psobot in https://github.com/spotify/voyager/pull/47
* markDeleted/unmarkDeleted by samek in https://github.com/spotify/voyager/pull/35
* Try building Ubuntu JARs with older glibc. by psobot in https://github.com/spotify/voyager/pull/55
* bump version to 2.0.3 by dylanrb123 in https://github.com/spotify/voyager/pull/54
* Ensure that native C++ index object doesn't get destroyed while Java threads are using it. by psobot in https://github.com/spotify/voyager/pull/36
* Bump to v2.0.4. by psobot in https://github.com/spotify/voyager/pull/56

New Contributors
* samek made their first contribution in https://github.com/spotify/voyager/pull/35

**Full Changelog**: https://github.com/spotify/voyager/compare/v2.0.2...v2.0.4

What's Changed
* Implement index load with no explicit params in Java (https://github.com/spotify/voyager/pull/31)


**Full Changelog**: https://github.com/spotify/voyager/compare/v2.0.1...v2.0.2

What's Changed
* Fix bug when loading InnerProduct indices created by v2.0.0+ in Java. (https://github.com/spotify/voyager/pull/29)

**Full Changelog**: https://github.com/spotify/voyager/compare/v2.0.0...v2.0.1

v2.0.0 is a backwards-incompatible upgrade to Voyager that introduces a custom Voyager file format and revamps the `.load` API for developer convenience.

What's Changed
* Add custom metadata header. by psobot in https://github.com/spotify/voyager/pull/26
* Add support for Python 3.12. by psobot in https://github.com/spotify/voyager/pull/27
* Implement order preserving transform for inner product search by dylanrb123 in https://github.com/spotify/voyager/pull/25


**Full Changelog**: https://github.com/spotify/voyager/compare/v1.2.6...v2.0.0