Add meilisearch support for repo indexer

[viceice]

Feature Description

It would be great to use meilisearch for the repo indexer too.
Currently i can use meilisearch as a elasticsearch replacement for the issue indexer.
I like to do the same for the repo indexer to not need elasticsearch for that.

This is a continuation of

• meilisearch search engine support #20665
• Add meilisearch support #23136
• code search with meilisearch #24149

Screenshots

No response

[Bisstocuz]

#24149 closed because of indexer refactor, maybe they will create another PR for meilisearch code indexer.

[Neustradamus]

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