fix(deps): update dependency @adobe/helix-admin-support to v2.8.15

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@adobe/helix-admin-support	2.8.14 -> 2.8.15

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Release Notes

adobe/helix-admin-support (@​adobe/helix-admin-support)

### [`v2.8.15`](https://togithub.com/adobe/helix-admin-support/blob/HEAD/CHANGELOG.md#2815-2024-06-15) [Compare Source](https://togithub.com/adobe/helix-admin-support/compare/v2.8.14...v2.8.15) ##### Bug Fixes - **deps:** update dependency [@​adobe/helix-shared-config](https://togithub.com/adobe/helix-shared-config) to v10.5.3 ([194cddb](https://togithub.com/adobe/helix-admin-support/commit/194cddb6da83094e13cdc102bcdef055715d79a0))

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Configuration

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This PR will trigger a patch release when merged.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 100.00%. Comparing base (300324f) to head (79bc520). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #499 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 7 7 Lines 808 808 Branches 1 1 ========================================= Hits 808 808 ```

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