chore(deps): update ghcr.io/defenseunicorns/build-harness/build-harness docker tag to v2.0.15

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
ghcr.io/defenseunicorns/build-harness/build-harness	patch	2.0.14 -> 2.0.15

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Release Notes

defenseunicorns/build-harness (ghcr.io/defenseunicorns/build-harness/build-harness)

### [`v2.0.15`](https://togithub.com/defenseunicorns/build-harness/blob/HEAD/CHANGELOG.md#2015-2024-04-23) [Compare Source](https://togithub.com/defenseunicorns/build-harness/compare/2.0.14...2.0.15) ##### Miscellaneous Chores - **deps:** update ghcr.io/defenseunicorns/build-harness/build-harness docker tag to v2.0.14 ([#​258](https://togithub.com/defenseunicorns/build-harness/issues/258)) ([9e7e6f3](https://togithub.com/defenseunicorns/build-harness/commit/9e7e6f36b6b081c40695f12ab0c5772a60acc43f)) - **deps:** update stable ([#​260](https://togithub.com/defenseunicorns/build-harness/issues/260)) ([9965dce](https://togithub.com/defenseunicorns/build-harness/commit/9965dce3815db507fa131cceffb04866ae4a7456))

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