build(deps): update dependency copier to v9.7.1

[serious-scaffold]

This PR contains the following updates:

Package	Update	Change
copier	minor	9.6.0 -> 9.7.1

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Release Notes

copier-org/copier (copier)

v9.7.1

Compare Source

Refactor

• import from module _tools instead of tools

v9.7.0

Compare Source

Feat

• raise new TaskError exception on task errors
• raise InteractiveSessionError when prompting in non-interactive environment

Fix

• settings: use <CONFIG_ROOT>/copier as settings directory on Windows (#​2071)
• updating: ignore last answer of when: false questions
• restore access to full rendering context in prompt phase

Refactor

• re-expose API with deprecation warnings on non-public API imports
• rename internal modules with a _ prefix

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