chore(deps): update dependency built_value_generator to ^8.9.2

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
built_value_generator (source)	dev_dependencies	patch	^8.9.1 -> ^8.9.2

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Warning

Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

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Release Notes

google/built_value.dart (built_value_generator)

v8.9.2

Compare Source

• Improve build performance when there are lots of built_value classes.

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Configuration

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 44.67%. Comparing base (d10b22a) to head (4503315).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1855   +/-   ##
=======================================
  Coverage   44.67%   44.67%           
=======================================
  Files         114      114           
  Lines        3805     3805           
=======================================
  Hits         1700     1700           
  Misses       2105     2105           

Flag	Coverage Δ
neon_dashboard	92.56% <ø> (ø)
neon_framework	37.36% <ø> (ø)
neon_talk	100.00% <ø> (ø)

[Leptopoda]

the build_runner stage of generate-nextcloud.sh went from 2m 22s to 49.4s.

[provokateurin]

Damn that is really nice!