feat: Remove the urllib3 pinning

[sathieu]

What type of PR is this?

/kind feature
/kind regression

What this PR does / why we need it:

The PR removes the version pinning for the urllib3 library.

Same as #2461, for release-34 branch

Which issue(s) this PR fixes:

Fixes #2458 #2424

Special notes for your reviewer:

Does this PR introduce a user-facing change?

We no longer pin the `urllib3` version.  
`urllib3` 2.4.0 introduced stricter certificate checks on Python 3.13+, which may trigger: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: Missing Authority Key Identifier

This only affects clusters (version <=1.16) with outdated or misconfigured certificates (e.g. old AWS EKS versions). Please update the Kubernetes cluster certificates.

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

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[HenriBlacksmith]

It should probably take #2477 into account?

[sathieu]

It should probably take #2477 into account?

2.6.1 has been released which reverts the breaking change.

Ref: #2477 (comment)

[HenriBlacksmith]

It should probably take #2477 into account?

2.6.1 has been released which reverts the breaking change.

Ref: #2477 (comment)

Yes, to be clearer my suggestion is to yank/disallow 2.6.0 in the requirements

[bonastreyair]

I wonder when it will be released...

[sathieu]

@HenriBlacksmith I've excluded 2.6.0, sorry for the delay.

[yliaog]

could you please add the fix (!= 2.6.0) to the main branch too, so it can be included in 1.35 release.

[yliaog]

/assign

[yliaog]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: sathieu, yliaog

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[sathieu]

could you please add the fix (!= 2.6.0) to the main branch too, so it can be included in 1.35 release.

Done in #2491

[sathieu]

Thanks for merging @yliaog.

Any ETA of a new 34.x (or 35.x) version?

[yliaog]

started 1.35 release in PR: #2492, the release will go through alpha, beta, and GA. It will complete in ~2 weeks.

[acornett21]

@yliaog Are you saying there will be no 1.34 version with this fix?

[hoerup]

#2496