Meltano

<https://github.com/meltano/meltano/pull/10053|#10053 docs: Fix display of reference index admonition>
Pull request opened by <https://github.com/ReubenFrankel|ReubenFrankel>
*Description*

SSIA

*Checklist*

• I have read the <https://docs.meltano.com/contribute/merge/|contribution guide>

*Was generative AI tooling used to co-author this PR?*

• Yes (please specify the tool below)

*Related Issues*

• Closes #XXXX

*Summary by Sourcery*

Documentation:
• Reformat the reference index contribution info admonition for proper display in the docs.
<https://github.com/meltano/meltano|meltano/meltano>

<https://github.com/meltano/meltano/pull/10053|#10053 docs: Fix display of reference index admonition>
Pull request merged by <https://github.com/ReubenFrankel|ReubenFrankel>
<https://github.com/meltano/meltano|meltano/meltano>