Update dependency dev.schlaubi:stdx-bom to v1.2.1 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
dev.schlaubi:stdx-bom	1.1.0 -> 1.2.1

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Release Notes

DRSchlaubi/stdx.kt

### [`v1.2.1`](https://togithub.com/DRSchlaubi/stdx.kt/releases/tag/1.2.1) [Compare Source](https://togithub.com/DRSchlaubi/stdx.kt/compare/1.1.0...1.2.1) - Fix isNotX function contracts

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, click this checkbox.

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