Add benchmarks for updates

[henadzit]

Description

Add CodSpeed benchmarks for updates.

Motivation and Context

We are lacking visibility into performance for updates.

How Has This Been Tested?

make ci

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added the changelog accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codspeed-hq]

CodSpeed Performance Report

Merging #1881 will not alter performance

_{Comparing henadzit:chore/add-update-benchmarks (c93de22) with develop (1dd9def)}

Summary

✅ 12 untouched benchmarks
🆕 4 new benchmarks

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
🆕	test_update_few_fields_with_save	N/A	418.6 µs	N/A
🆕	test_update_few_fields_with_update	N/A	722.7 µs	N/A
🆕	test_update_many_fields_with_save	N/A	563.6 µs	N/A
🆕	test_update_many_fields_with_update	N/A	892.4 µs	N/A