fix: prevent SharedDoc awareness from disappearing after 15s (#186)

* fix: prevent SharedDoc awareness from disappearing after 15s

When using SharedDoc, awareness would disappear after 15s if the data didn’t change.
Even without data changes, the clock needs to be updated, so update should be used instead of change.

* version up

* remove dead code

* fix review

* update typespec

versionup (#160)

version up to 0.7.3 (#150)

version up to 0.7.2 (#146)

version 0.7.1 (#135)

version up to 0.7.0 (#124)

chore: version up to 0.6.5

Merge pull request #75 from satoren/release0.6.4

chore: version up to 0.6.4

Merge pull request #73 from satoren/release0.6.3

chore: version up to 0.6.3

fix publish