[flyteadmin][API] get control plane version

[Future-Outlier]

Tracking issue

#5318

Why are the changes needed?

provide version api for users.

What changes were proposed in this pull request?

add a method get_control_plane_version in class SynchronousFlyteClient(_RawSynchronousFlyteClient).

How was this patch tested?

local and integration test.

Setup process

from flytekit.configuration import PlatformConfig
from flytekit.clients.friendly import SynchronousFlyteClient as _SynchronousFlyteClient
config = PlatformConfig(endpoint="localhost:30080", insecure=True)
client = _SynchronousFlyteClient(config)
print("Control Plane Version:", client.get_control_plane_version())

Screenshots

Unknown version

Know Version

Check all the applicable boxes

• I updated the documentation accordingly.
• All new and existing tests passed.
• All commits are signed-off.

Related PRs

Docs link

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 36.80%. Comparing base (2b0af2b) to head (6394439).
Report is 13 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5934      +/-   ##
==========================================
- Coverage   36.84%   36.80%   -0.05%     
==========================================
  Files        1309     1310       +1     
  Lines      130994   131037      +43     
==========================================
- Hits        48271    48234      -37     
- Misses      78533    78617      +84     
+ Partials     4190     4186       -4     

Flag	Coverage Δ
unittests-datacatalog	51.58% <ø> (ø)
unittests-flyteadmin	54.02% <ø> (-0.09%)	⬇️
unittests-flytecopilot	11.73% <ø> (ø)
unittests-flytectl	62.39% <ø> (-0.06%)	⬇️
unittests-flyteidl	6.92% <ø> (ø)
unittests-flyteplugins	53.64% <ø> (ø)
unittests-flytepropeller	42.90% <ø> (-0.12%)	⬇️
unittests-flytestdlib	55.41% <ø> (+0.01%)	⬆️

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