chore(sdk): update requirements.txt

[chensun]

Description of your changes:

• Bump kfp-server-api version to 1.1.2 in requirements.in (matching what's specified in setup.py)
• Re-generate requirements.txt

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: chensun

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[chensun]

I was looking at some weird presubmit error that I couldn't repo locally (#4891 (comment)), and noticed that CI installs kfp-server-api==1.0.0 which doesn't comply with the version required in setup.py

pipelines/sdk/python/setup.py

Lines 33 to 34 in bb0f330

	# Note, please also update ./requirements.in
	'kfp-server-api>=1.1.2, <2.0.0',

[Bobgy]

/LGTM
/Hold
Not sure if you are ready to merge, leave the decision to you

[chensun]

/LGTM
/Hold
Not sure if you are ready to merge, leave the decision to you

Thanks!
Yes, this one's ready to merge.

/unhold