feat: do not get disabled keycloak users

[wesjdj]

Enables removing disabled Keycloak user accounts from data services and Renku 2.0's search.

1. Modifies background jobs not to sync any user accounts disabled in Keycloak to data services.
2. Adds an API endpoint to allow for the deletion of user accounts from data services by providing the associated Keycloak user ID.

When a user account is deleted using the new API endpoint, the user no longer appears in Renku 2.0's search, and references of the user are removed from the authz database.

/deploy

[coveralls]

Pull Request Test Coverage Report for Build 11237903971

Details

• 59 of 64 (92.19%) changed or added relevant lines in 7 files are covered.
• 7 unchanged lines in 5 files lost coverage.
• Overall coverage decreased (-0.002%) to 90.524%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
bases/renku_data_services/background_jobs/config.py	1	2	50.0%
components/renku_data_services/authz/authz.py	20	21	95.24%
components/renku_data_services/users/kc_api.py	0	1	0.0%
components/renku_data_services/users/db.py	24	26	92.31%

Files with Coverage Reduction	New Missed Lines	%
bases/renku_data_services/background_jobs/config.py	1	53.85%
components/renku_data_services/authz/authz.py	1	91.0%
components/renku_data_services/storage/blueprints.py	1	94.29%
components/renku_data_services/crc/blueprints.py	2	93.81%
components/renku_data_services/crc/db.py	2	87.58%

Totals
Change from base Build 11231692484:	-0.002%
Covered Lines:	9591
Relevant Lines:	10595

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💛 - Coveralls

[RenkuBot]

You can access the deployment of this PR at https://renku-ci-ds-393.dev.renku.ch

[RenkuBot]

Tearing down the temporary RenkuLab deplyoment for this PR.