Pycrdt

What's Changed
* Update yrs v0.18.3 by davidbrochart in https://github.com/jupyter-server/pycrdt/pull/95


**Full Changelog**: https://github.com/jupyter-server/pycrdt/compare/v0.8.18...v0.8.19

What's Changed
* [pre-commit.ci] pre-commit autoupdate by pre-commit-ci in https://github.com/jupyter-server/pycrdt/pull/93
* Shared Types Popped from Shared Map are Empty by jbdyn in https://github.com/jupyter-server/pycrdt/pull/94


**Full Changelog**: https://github.com/jupyter-server/pycrdt/compare/v0.8.17...v0.8.18

What's Changed
* [pre-commit.ci] pre-commit autoupdate by pre-commit-ci in https://github.com/jupyter-server/pycrdt/pull/91
* Update yrs 0.18.2 by davidbrochart in https://github.com/jupyter-server/pycrdt/pull/92


**Full Changelog**: https://github.com/jupyter-server/pycrdt/compare/v0.8.16...v0.8.17

What's Changed
* [pre-commit.ci] pre-commit autoupdate by pre-commit-ci in https://github.com/jupyter-server/pycrdt/pull/89
* Export Subscription by davidbrochart in https://github.com/jupyter-server/pycrdt/pull/90


**Full Changelog**: https://github.com/jupyter-server/pycrdt/compare/v0.8.15...v0.8.16

What's Changed
* Fix possibly undefined _subscriptions by davidbrochart in https://github.com/jupyter-server/pycrdt/pull/88


**Full Changelog**: https://github.com/jupyter-server/pycrdt/compare/v0.8.14...v0.8.15

What's Changed
* [pre-commit.ci] pre-commit autoupdate by pre-commit-ci in https://github.com/jupyter-server/pycrdt/pull/81
* Remove warning about project not ready for production by davidbrochart in https://github.com/jupyter-server/pycrdt/pull/82
* [pre-commit.ci] pre-commit autoupdate by pre-commit-ci in https://github.com/jupyter-server/pycrdt/pull/84
* Update yrs v0.18.0 by davidbrochart in https://github.com/jupyter-server/pycrdt/pull/83
* Keep subscription references by davidbrochart in https://github.com/jupyter-server/pycrdt/pull/85
* Install objsize in publish workflow by davidbrochart in https://github.com/jupyter-server/pycrdt/pull/86
* Fix doc observe by davidbrochart in https://github.com/jupyter-server/pycrdt/pull/87


**Full Changelog**: https://github.com/jupyter-server/pycrdt/compare/v0.8.11...v0.8.14