ci: In nightly CI, cleanup dynamo tables related to integration tests

[adchia]

What this PR does / why we need it: This is to patch fix the random leaking DynamoDB tables in CI.

Which issue(s) this PR fixes:

Fixes #

[codecov-commenter]

Codecov Report

Merging #3055 (4d858d6) into master (66d2c76) will increase coverage by 8.48%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #3055      +/-   ##
==========================================
+ Coverage   67.44%   75.93%   +8.48%     
==========================================
  Files         169      203      +34     
  Lines       14936    16839    +1903     
==========================================
+ Hits        10074    12786    +2712     
+ Misses       4862     4053     -809     

Flag	Coverage Δ
integrationtests	67.29% <ø> (-0.15%)	:arrow_down:
unittests	58.13% <ø> (?)

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

Impacted Files	Coverage Δ
.../online_stores/contrib/hbase_online_store/hbase.py	37.25% <0.00%> (ø)
sdk/python/feast/loaders/yaml.py	18.18% <0.00%> (ø)
sdk/python/feast/infra/utils/hbase_utils.py	41.17% <0.00%> (ø)
...thon/feast/infra/utils/postgres/postgres_config.py	100.00% <0.00%> (ø)
...line_stores/contrib/postgres_repo_configuration.py	100.00% <0.00%> (ø)
...k/python/feast/infra/materialization/lambda/app.py	26.66% <0.00%> (ø)
...offline_stores/contrib/trino_repo_configuration.py	20.00% <0.00%> (ø)
...stores/contrib/trino_offline_store/trino_source.py	5.37% <0.00%> (ø)
...line_stores/contrib/postgres_repo_configuration.py	100.00% <0.00%> (ø)
...s/contrib/trino_offline_store/tests/data_source.py	17.64% <0.00%> (ø)
... and 98 more

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[feast-ci-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: achals, adchia

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