Fix a conflux build issue

[TamiTakamiya]

Description

Fix a conflux build issue

Collecting httpx>=0.22.0
ERROR: In --require-hashes mode, all requirements must have their versions pinned with ==. These do not:
    httpx>=0.22.0 from https://files.pythonhosted.org/packages/2a/39/e50c7c3a983047577ee07d2a9e53faf5a69493943ec3f6a384bdc792deb2/httpx-0.28.1-py3-none-any.whl (from hishel==0.1.1->-r requirements.txt (line 264))
subprocess exited with status 1
subprocess exited with status 1

Looks like it can be fixed by upgrading pip. That's this PR is about.

Type of change

• Refactor
• New feature
• Bug fix
• CVE fix
• Optimization
• Documentation Update
• Configuration Update
• Bump-up dependent library
• Bump-up library or tool used for development (does not change the final image)
• CI configuration change
• Konflux configuration change

Related Tickets & Documents

• Related Issue # n/a
• Closes # n/a

Checklist before requesting a review

• I have performed a self-review of my code.
• PR has passed all pre-merge test jobs.
• If it is a core feature, I have added thorough tests.

Testing

• Please provide detailed steps to perform tests related to this code change.
• How were the fix/results from this change verified? Please provide relevant screenshots or results.

[TamiTakamiya]

Incorrect target... Let me close this w/o merging.

[tisnik]

yes, it is not meant to be there :-) and you are right with solution!!!!