Update data-platform-workflows to v16

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
canonical/data-platform-workflows	action	major	v14 -> v16
canonical/data-platform-workflows	action	major	v14.1.0 -> v16.0.1

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Release Notes

canonical/data-platform-workflows (canonical/data-platform-workflows)

### [`v16`](https://togithub.com/canonical/data-platform-workflows/compare/v15...v16) [Compare Source](https://togithub.com/canonical/data-platform-workflows/compare/v15...v16) ### [`v15`](https://togithub.com/canonical/data-platform-workflows/compare/v14...v15) [Compare Source](https://togithub.com/canonical/data-platform-workflows/compare/v14...v15)

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