Bumps [certifi](https://github.com/certifi/python-certifi) from 2023.11.17 to 2024.7.4.
- [Commits](certifi/python-certifi@2023.11.17...2024.07.04)

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updated-dependencies:
- dependency-name: certifi
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* index guide

* doc: Add Index Tuning Guide

* install sample requirements

* update cloud sql pg version

* Update samples/index_tuning_sample/create_vector_embeddings.py

Co-authored-by: Averi Kitsch <[email protected]>

* resolve comments

* add gapic client issue note

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Co-authored-by: Averi Kitsch <[email protected]>

Co-authored-by: Averi Kitsch <[email protected]>

Bumps [zipp](https://github.com/jaraco/zipp) from 3.18.1 to 3.19.1.
- [Release notes](https://github.com/jaraco/zipp/releases)
- [Changelog](https://github.com/jaraco/zipp/blob/main/NEWS.rst)
- [Commits](jaraco/zipp@v3.18.1...v3.19.1)

---
updated-dependencies:
- dependency-name: zipp
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* chore(samples): add Reasoning Engine Samples

* lint

* change file name

* add deps

* Update README.md

* clean up

* update model

* respond to comments

* add lint deps

* respond to comments

* update readme

* update lint

* resuse connection pool

* feat: feat: Add `key` to engine constructor

* add column test for tc

Co-authored-by: Averi Kitsch <[email protected]>

* feat: Add similarity search score threshold select function

* update threshold test and delete override function impl

* decrease cc

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Co-authored-by: Averi Kitsch <[email protected]>

Similar to googleapis/langchain-google-alloydb-pg-python#189

* docs: Add docstring to all methods

* resolve comments

* add return none

* feat: Support IAM account override

* rename to `iam_account_email`

* add integration test for iam override

* add self

* add sync fixture

* clean up

* chore: update naming for LangChain on VertexAI

* fix tests

…168)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>