Set an upper limit on the urllib3 dependency

[Tenzer]

What type of PR is this?

/kind bug

What this PR does / why we need it:

With urllib3 2.4.0 stricter certificate validity checks were added when running on Python 3.13+: urllib3/urllib3#3571.

This triggers errors such as the following:

[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: Missing Authority Key Identifier

It is however only for users with Kubernetes clusters that have been set up without proper, valid certificates. Notably, this was the case for AWS EKS clusters created with Kubernetes v1.16 and earlier.

Which issue(s) this PR fixes:

Fixes #2394

Special notes for your reviewer:

Does this PR introduce a user-facing change?

NONE

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

[k8s-ci-robot]

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[Tenzer]

The test failure is courtesy of #2406.

Should I fix it in this PR by fixing the syntax in watch_test.py?

[yliaog]

The test failure is courtesy of #2406.

Should I fix it in this PR by fixing the syntax in watch_test.py?

Yes, please. Thanks.