Bump book/external/Sphinx-launch-buttons from e6070de to 63d5397

Bumps [book/external/Sphinx-launch-buttons](https://github.com/TeachBooks/Sphinx-launch-buttons) from `e6070de` to `63d5397`.
- [Release notes](https://github.com/TeachBooks/Sphinx-launch-buttons/releases)
- [Commits](e6070ded6c...63d539763e)

---
updated-dependencies:
- dependency-name: book/external/Sphinx-launch-buttons
  dependency-version: 63d539763e9b9ce13f4dab2ef4c4a17c46e953ef
  dependency-type: direct:production
...

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This commit is contained in:
dependabot[bot] 2025-09-28 22:05:41 +00:00 • committed by GitHub
parent a777ee6fbe
commit 5671439b2b
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@ -1 +1 @@
Subproject commit e6070ded6ca77662a3a951893cafe265fa333e5e
Subproject commit 63d539763e9b9ce13f4dab2ef4c4a17c46e953ef