Add bytes_spilled metrics

[ChristineTChen]

What does this PR do?

Add bytes_spilled metrics

Motivation

Additional Notes

Review checklist (to be filled by reviewers)

• Feature or bugfix MUST have appropriate tests (unit, integration, e2e)
• PR title must be written as a CHANGELOG entry (see why)
• Files changes must correspond to the primary purpose of the PR as described in the title (small unrelated changes should have their own PR)
• PR must have changelog/ and integration/ labels attached

[codecov]

Codecov Report

Merging #7810 into master will increase coverage by 3.88%.
The diff coverage is 100.00%.

Impacted Files	Coverage Δ
snowflake/datadog_checks/snowflake/queries.py	100.00% <ø> (ø)
snowflake/tests/test_snowflake.py	100.00% <100.00%> (ø)
nagios/tests/test_nagios.py
...atadog_checks/kubernetes_state/kubernetes_state.py
apache/tests/test_apache.py
cilium/tests/conftest.py
go_expvar/tests/test_unit.py
disk/tests/test_filter_deprecated.py
..._namenode/datadog_checks/hdfs_namenode/__init__.py
amazon_msk/datadog_checks/amazon_msk/amazon_msk.py
... and 283 more