build(deps): update dependency copier to v9.9.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
copier	9.7.1 -> 9.9.0

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Release Notes

copier-org/copier (copier)

v9.9.0

Compare Source

Feat

• add support for prompting filesystem paths (#​2210)

Fix

• updating: disable secret question validator when replaying old copy
• vcs: fix cloning local dirty template repo when core.fsmonitor=true (#​2151)

v9.8.0

Compare Source

Feat

• add support for providing serialized answers to multiselect choice questions
• updating: add VCS ref sentinel :current: for referring to the current template
  ref

Fix

• avoid infinite recursion when accessing _copier_conf.answers_file via Jinja
  context hook
• validate default answers
• correct git stage order on merge conflicts

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