chore(deps): update dependency plantuml-markdown to v3.9.7

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
plantuml-markdown	==3.9.4 -> ==3.9.7

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Release Notes

mikitex70/plantuml-markdown (plantuml-markdown)

### [`v3.9.7`](https://togithub.com/mikitex70/plantuml-markdown/blob/HEAD/CHANGELOG.md#397-2024-05-09) [Compare Source](https://togithub.com/mikitex70/plantuml-markdown/compare/3.9.6...3.9.7) ##### Fix - Don't add newlines in included files. \[Daum Alexander (DCL ATV SC D RAD CSFW FW)] ### [`v3.9.6`](https://togithub.com/mikitex70/plantuml-markdown/blob/HEAD/CHANGELOG.md#396-2024-04-24) [Compare Source](https://togithub.com/mikitex70/plantuml-markdown/compare/3.9.5...3.9.6) ##### New - `cachedir` is auto-created if missing (implements [#​96](https://togithub.com/mikitex70/plantuml-markdown/issues/96)) \[Michele Tessaro] ### [`v3.9.5`](https://togithub.com/mikitex70/plantuml-markdown/blob/HEAD/CHANGELOG.md#395-2024-04-22) [Compare Source](https://togithub.com/mikitex70/plantuml-markdown/compare/3.9.4...3.9.5) ##### Fix - Fixed caching with png diagrams without hyperlinks (fixes [#​27](https://togithub.com/mikitex70/plantuml-markdown/issues/27)) \[Michele Tessaro]

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[github-actions[bot]]

This PR has been automatically marked as stale because it has not had recent activity from the author. It will be closed if no further activity occurs. If the PR was closed and you want it re-opened, let us know and we'll re-open the PR so that you can continue the contribution!