Remove strict pinnings from rai-core-flask requirements.txt.

[janjagusch]

Hi!

We're working on making the responsible-ai-toolbox available on conda-forge. We've noticed that the rai-core-flask package has very strict pinnings in its install_requires, making it difficult to install it with other packages in the same environment. This is because the contents of the requirements.txt file are used to set the install_requires section in the setup.py.

In this PR, we propose removing the strict pinnings (replacing == with <= or >=). We adjusted the pinnings to the best of our knowledge. Still, some changes might be incorrect, so please review this carefully.

If you agree with the proposed changes, it would be much appreciated if you could release of new version of rai-core-flask, so we can also loosen the strict pinnings in the conda-forge feedstock.

Thanks a lot for your help! 🙏

[codecov-commenter]

Codecov Report

Merging #1578 (c13849c) into main (e3d0f24) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #1578   +/-   ##
=======================================
  Coverage   88.04%   88.04%           
=======================================
  Files         109      109           
  Lines        5295     5295           
=======================================
  Hits         4662     4662           
  Misses        633      633           

Flag	Coverage Δ
unittests	88.04% <ø> (ø)

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[janjagusch]

I'm pretty sure the CI failure is unrelated to my changes and most likely due to a missing secret in my fork:

There are no credentials provided in your command and environment, we will query for the account key inside your storage account.

[imatiach-msft]

merging this PR on behalf of submitter since I don't see any objections to this PR

[imatiach-msft]

"If you agree with the proposed changes, it would be much appreciated if you could release of new version of rai-core-flask, so we can also loosen the strict pinnings in the conda-forge feedstock."
Sounds like I need to create a PR to do a version bump of rai-core-flask and then do a release to pypi.