chore(ci): ensure we publish latest_snapshot container image

[brettlangdon]

We need to publish this tag on commits to main.

Checklist

• Change(s) are motivated and described in the PR description
• Testing strategy is described if automated tests are not included in the PR
• Risks are described (performance impact, potential for breakage, maintainability)
• Change is maintainable (easy to change, telemetry, documentation)
• Library release note guidelines are followed or label changelog/no-changelog is set
• Documentation is included (in-code, generated user docs, public corp docs)
• Backport labels are set (if applicable)
• If this PR changes the public interface, I've notified @DataDog/apm-tees.

Reviewer Checklist

• Title is accurate
• All changes are related to the pull request's stated goal
• Description motivates each change
• Avoids breaking API changes
• Testing strategy adequately addresses listed risks
• Change is maintainable (easy to change, telemetry, documentation)
• Release note makes sense to a user of the library
• Author has acknowledged and discussed the performance implications of this PR as reported in the benchmarks PR comment
• Backport labels are set in a manner that is consistent with the release branch maintenance policy

[datadog-dd-trace-py-rkomorn]

Datadog Report

Branch report: brettlangdon/publish.latest_snapshot
Commit report: f84e291
Test service: dd-trace-py

✅ 0 Failed, 120344 Passed, 57284 Skipped, 4h 16m 16s Total duration (6h 17m 7.94s time saved)
⌛ 1 Performance Regression

⌛ Performance Regressions vs Default Branch (1)

• test_data_streams_kafka_offset_monitoring_offsets - test_kafka.py 1m 30.12s (+1m 25.36s, +1794%) - Details

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 10.26%. Comparing base (e125f22) to head (f84e291).
Report is 4 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #9381       +/-   ##
===========================================
- Coverage   75.92%   10.26%   -65.66%     
===========================================
  Files        1296     1266       -30     
  Lines      123144   121311     -1833     
===========================================
- Hits        93497    12454    -81043     
- Misses      29647   108857    +79210     

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