chore(deps): update dependency llama-index to v0.14.3 (#1548)

This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
| [llama-index](https://redirect.github.com/run-llama/llama_index) |
`==0.14.2` -> `==0.14.3` |
[![age](https://developer.mend.io/api/mc/badges/age/pypi/llama-index/0.14.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/llama-index/0.14.2/0.14.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

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---

### Release Notes

<details>
<summary>run-llama/llama_index (llama-index)</summary>

###
[`v0.14.3`](https://redirect.github.com/run-llama/llama_index/blob/HEAD/CHANGELOG.md#2025-09-24)

[Compare
Source](https://redirect.github.com/run-llama/llama_index/compare/v0.14.2...v0.14.3)

##### llama-index-core \[0.14.3]

- Fix Gemini thought signature serialization
([#&#8203;19891](https://redirect.github.com/run-llama/llama_index/pull/19891))
- Adding a ThinkingBlock among content blocks
([#&#8203;19919](https://redirect.github.com/run-llama/llama_index/pull/19919))

##### llama-index-llms-anthropic \[0.9.0]

- Adding a ThinkingBlock among content blocks
([#&#8203;19919](https://redirect.github.com/run-llama/llama_index/pull/19919))

##### llama-index-llms-baseten \[0.1.4]

- added kimik2 0905 and reordered list for validation
([#&#8203;19892](https://redirect.github.com/run-llama/llama_index/pull/19892))
- Baseten Dynamic Model APIs Validation
([#&#8203;19893](https://redirect.github.com/run-llama/llama_index/pull/19893))

##### llama-index-llms-google-genai \[0.6.0]

- Add missing FileAPI support for documents
([#&#8203;19897](https://redirect.github.com/run-llama/llama_index/pull/19897))
- Adding a ThinkingBlock among content blocks
([#&#8203;19919](https://redirect.github.com/run-llama/llama_index/pull/19919))

##### llama-index-llms-mistralai \[0.8.0]

- Adding a ThinkingBlock among content blocks
([#&#8203;19919](https://redirect.github.com/run-llama/llama_index/pull/19919))

##### llama-index-llms-openai \[0.6.0]

- Adding a ThinkingBlock among content blocks
([#&#8203;19919](https://redirect.github.com/run-llama/llama_index/pull/19919))

##### llama-index-protocols-ag-ui \[0.2.2]

- improve how state snapshotting works in AG-UI
([#&#8203;19934](https://redirect.github.com/run-llama/llama_index/pull/19934))

##### llama-index-readers-mongodb \[0.5.0]

- Use PyMongo Asynchronous API instead of Motor
([#&#8203;19875](https://redirect.github.com/run-llama/llama_index/pull/19875))

##### llama-index-readers-paddle-ocr \[0.1.0]

- \[New Package] Add PaddleOCR Reader for extracting text from images in
PDFs
([#&#8203;19827](https://redirect.github.com/run-llama/llama_index/pull/19827))

##### llama-index-readers-web \[0.5.4]

- feat(readers/web-firecrawl): migrate to Firecrawl v2 SDK
([#&#8203;19773](https://redirect.github.com/run-llama/llama_index/pull/19773))

##### llama-index-storage-chat-store-mongo \[0.3.0]

- Use PyMongo Asynchronous API instead of Motor
([#&#8203;19875](https://redirect.github.com/run-llama/llama_index/pull/19875))

##### llama-index-storage-kvstore-mongodb \[0.5.0]

- Use PyMongo Asynchronous API instead of Motor
([#&#8203;19875](https://redirect.github.com/run-llama/llama_index/pull/19875))

##### llama-index-tools-valyu \[0.5.0]

- Add Valyu Extractor and Fast mode
([#&#8203;19915](https://redirect.github.com/run-llama/llama_index/pull/19915))

##### llama-index-vector-stores-azureaisearch \[0.4.2]

- Fix/llama index vector stores azureaisearch fix
([#&#8203;19800](https://redirect.github.com/run-llama/llama_index/pull/19800))

##### llama-index-vector-stores-azurepostgresql \[0.1.0]

- Add support for Azure PostgreSQL
([#&#8203;19709](https://redirect.github.com/run-llama/llama_index/pull/19709))

##### llama-index-vector-stores-qdrant \[0.8.5]

- Add proper compat for old sparse vectors
([#&#8203;19882](https://redirect.github.com/run-llama/llama_index/pull/19882))

##### llama-index-vector-stores-singlestoredb \[0.4.2]

- Fix SQLi Vulnerability in SingleStore Db
([#&#8203;19914](https://redirect.github.com/run-llama/llama_index/pull/19914))

</details>

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docs/en/getting-started/quickstart/python/llamaindex/requirements.txt

@@ -1,4 +1,4 @@
-llama-index==0.14.2
+llama-index==0.14.3
 llama-index-llms-google-genai==0.5.1
 toolbox-llamaindex==0.5.2
 pytest==8.4.2