Merge #868

868: fix: replace the code sample related to the `delete_documents` method… r=sanders41 a=zebra-f

# Pull Request

## Related issue
Fixes #867

## What does this PR do?
Updates the code sample to demonstrate the correct method call.
Replaces the dictionary usage with the direct usage of the filter argument.

## PR checklist
Please check if your PR fulfills the following requirements:
- [✅] Does this PR fix an existing issue, or have you listed the changes applied in the PR description (and why they are needed)?
- [✅] Have you read the contributing guidelines?
- [✅] Have you made sure that the title is accurate and descriptive of the changes?

Thank you so much for contributing to Meilisearch!


Co-authored-by: rafal <zebraf.dev@gmail.com>

Author: meili-bors[bot]

.code-samples.meilisearch.yaml

@@ -50,7 +50,7 @@ delete_one_document_1: |-
 delete_documents_by_batch_1: |-
   client.index('movies').delete_documents([23488, 153738, 437035, 363869])
 delete_documents_by_filter_1: |-
-  client.index('movies').delete_documents({filter='genres=action OR genres=adventure'})
+  client.index('movies').delete_documents(filter='genres=action OR genres=adventure')
 search_post_1: |-
   client.index('movies').search('American ninja')
 multi_search_1: |-