build(deps): update patch production dependencies to v9.15.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
copier	9.15.1 → 9.15.2

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Release Notes

copier-org/copier (copier)

v9.15.2

Compare Source

Fix

• report template path for Jinja errors in path segments (#​2686)
• fix answers file override/setting to use full path and not only filename
• treat blank boolean strings as false (#​2675)
• updating: don't skip gitignored .rej files when converting to inline conflict
  markers (#​2668)

Refactor

• deprecate locating {{ _copier_conf.answers_file }}.jinja file in non-root directory

Security

• prevent trust bypass via path traversal in trusted template URLs

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