Add changelog for v0.13.0

[adchia]

Signed-off-by: Danny Chiao [email protected]

What this PR does / why we need it:
Adds a changelog update for v0.13.0

Which issue(s) this PR fixes:

Fixes #

Does this PR introduce a user-facing change?:

NONE

[codecov-commenter]

Codecov Report

Merging #1898 (5b24477) into master (e695457) will decrease coverage by 21.63%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           master    #1898       +/-   ##
===========================================
- Coverage   83.73%   62.09%   -21.64%     
===========================================
  Files          96       96               
  Lines        7353     7430       +77     
===========================================
- Hits         6157     4614     -1543     
- Misses       1196     2816     +1620     

Flag	Coverage Δ
integrationtests	?
unittests	62.09% <ø> (-0.21%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
.../integration/online_store/test_universal_online.py	14.73% <0.00%> (-85.27%)	⬇️
.../integration/online_store/test_online_retrieval.py	17.39% <0.00%> (-82.61%)	⬇️
sdk/python/tests/utils/online_read_write_test.py	18.18% <0.00%> (-81.82%)	⬇️
...fline_store/test_universal_historical_retrieval.py	18.69% <0.00%> (-80.49%)	⬇️
...gration/registration/test_feature_service_apply.py	31.25% <0.00%> (-68.75%)	⬇️
sdk/python/tests/data/data_creator.py	34.78% <0.00%> (-65.22%)	⬇️
...s/integration/registration/test_universal_types.py	35.41% <0.00%> (-64.59%)	⬇️
...istration/test_universal_odfv_feature_inference.py	35.71% <0.00%> (-64.29%)	⬇️
sdk/python/feast/infra/online_stores/datastore.py	30.32% <0.00%> (-63.12%)	⬇️
sdk/python/feast/infra/online_stores/redis.py	30.35% <0.00%> (-62.50%)	⬇️
... and 46 more

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[woop]

/lgtm

[feast-ci-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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