chore(deps): update dependency firefly-iii to v6.1.6

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
firefly-iii	patch	v6.1.4 -> v6.1.6

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Release Notes

firefly-iii/firefly-iii (firefly-iii)

### [`v6.1.6`](https://togithub.com/firefly-iii/firefly-iii/releases/tag/v6.1.6) [Compare Source](https://togithub.com/firefly-iii/firefly-iii/compare/v6.1.5...v6.1.6) ##### Added - More audit logs - Sanity check in date ranges - More uniform length and size validations ##### Changed - Slightly changed text, thanks [@​maureenferreira](https://togithub.com/maureenferreira)! ##### Fixed - [Issue 8328](https://togithub.com/firefly-iii/firefly-iii/issues/8328) Some extra fixes for non-zero foreign amounts - Updated links in `.env.example`, thanks [@​lemuelroberto](https://togithub.com/lemuelroberto)! ### [`v6.1.5`](https://togithub.com/firefly-iii/firefly-iii/releases/tag/v6.1.5) [Compare Source](https://togithub.com/firefly-iii/firefly-iii/compare/v6.1.4...v6.1.5) ##### Added - More audit logs - Sanity check in date ranges - More uniform length and size validations ##### Changed - Slightly changed text, thanks [@​maureenferreira](https://togithub.com/maureenferreira)! ##### Fixed - [Issue 8328](https://togithub.com/firefly-iii/firefly-iii/issues/8328) Some extra fixes for non-zero foreign amounts - Updated links in `.env.example`, thanks [@​lemuelroberto](https://togithub.com/lemuelroberto)!

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Configuration

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