chore(deps): update dependency copier to v9.18.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
copier	9.17.2 → 9.18.1

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Release Notes

copier-org/copier (copier)

v9.18.1

Compare Source

Fix

• disambiguate Windows paths from SCP URLs in trust check

v9.18.0

Compare Source

Feat

• exclude: add support for multiple exclude patterns in a single entry (#​2804)

Fix

• preserve the original error when cleanup fails (#​2824)

Security

• prevent trust bypass via encoded URL traversal for alias and SCP-style URLs

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