chore(deps): update cachix/cachix-action action to v16

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
cachix/cachix-action	action	major	v14 -> v16

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Release Notes

cachix/cachix-action (cachix/cachix-action)

v16

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What's Changed

• Add a small delay to allow post-build hooks to flush through by @​sandydoo in https://github.com/cachix/cachix-action/pull/196
• Upgraded dependencies

Full Changelog: cachix/cachix-action@v15...v16

v15: cachix-action-v15

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What's Changed

• Pass cachixArgs to the daemon by @​sandydoo in https://github.com/cachix/cachix-action/pull/177
• Support path filtering when using the daemon by @​sandydoo in https://github.com/cachix/cachix-action/pull/182
• Skip prep steps if using pathsToPush by @​sandydoo in https://github.com/cachix/cachix-action/pull/180
• store-scan: improve error handling when listing the store fails by @​sandydoo in https://github.com/cachix/cachix-action/pull/183

Full Changelog: cachix/cachix-action@v14...v15

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