fix(deps): update yjs (stable28)

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
y-websocket	^1.5.1 -> ^1.5.3
yjs (source)	^13.6.10 -> ^13.6.11

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Release Notes

yjs/y-websocket (y-websocket)

v1.5.3

Compare Source

• do an environment test for nodejs - fixes #​166 635f39d

v1.5.2

Compare Source

• Remove unload event. fixes #​165 882ac9e

yjs/yjs (yjs)

v13.6.11

Compare Source

• fix Y.Text formatting issue - closes #​606 1cb52dc
• add linear as a user of Yjs 7a8ca6e
• Merge pull request #​604 from lukasz-jazwa/proffesional-support-section e348255
• Merge pull request #​605 from xaviergonz/patch-1 79c095d
• Update README.md with mobx-keystone binding 0241fd3
• Updated readme.md with Professional Support section cf78ce1
• Update who-is-using (Cargo.site) 77bd741
• add AWS Sagemaker, JupyterLab, JupyterCAD as users fe36ffd
• add providers (also mention some y-crdt based providers) 28ccd5e

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