[CHORE] Improve consistency of servers (part 2)

[shopewf]

Description

This PR improves the consistency of the following servers:

1. Identity
2. Migration
3. NLB
4. Registry
5. Resource search

Fixes # (issue)

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Ran all of the tools on each of the servers manually, and ensured unit tests still work.

Model: oca/grok4

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[irfan-ahmed]

For the time being, let's remove the version bumps from pyproject.toml, init.py, and uv.lock files. Once the CHANGELOG is merged, you can update the corresponding CHANGELOG section to eventually bump the version when we create a release build.