Update module github.com/ardanlabs/conf/v3 to v3.1.5

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
github.com/ardanlabs/conf/v3	require	patch	v3.1.3 -> v3.1.5

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Release Notes

ardanlabs/conf

### [`v3.1.5`](https://togithub.com/ardanlabs/conf/compare/v3.1.4...v3.1.5) [Compare Source](https://togithub.com/ardanlabs/conf/compare/v3.1.4...v3.1.5) ### [`v3.1.4`](https://togithub.com/ardanlabs/conf/compare/v3.1.3...v3.1.4) [Compare Source](https://togithub.com/ardanlabs/conf/compare/v3.1.3...v3.1.4)

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, check this box

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