chore(deps): update abatilo/actions-poetry action to v2.1.6

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
abatilo/actions-poetry	action	patch	v2.1.5 -> v2.1.6

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Release Notes

abatilo/actions-poetry

### [`v2.1.6`](https://togithub.com/abatilo/actions-poetry/releases/tag/v2.1.6) [Compare Source](https://togithub.com/abatilo/actions-poetry/compare/v2.1.5...v2.1.6) ##### Bug Fixes - Updating default poetry version to 1.15 ([#​49](https://togithub.com/abatilo/actions-poetry/issues/49)) ([0816ab2](https://togithub.com/abatilo/actions-poetry/commit/0816ab2aa6474edc70c5f39eef65dea80c70d153))

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Configuration

📅 Schedule: Branch creation - "before 3am on the first day of the month" in timezone Asia/Singapore, Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ 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, click this checkbox.

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