chore: depend on ddsketch 3

[emmettbutler]

This change upgrades the ddsketch dependency to one that doesn't depend on protobuf. This aids the bugfix in #8797 by completely removing protobuf from the entire dependency tree.

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.
• If change touches code that signs or publishes builds or packages, or handles credentials of any kind, I've requested a review from @DataDog/security-design-and-guidance.

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

[emmettbutler]

blocked on https://github.com/DataDog/sketches-py/actions/runs/8484590493/job/23248427415

[datadog-dd-trace-py-rkomorn]

Datadog Report

Branch report: emmett.butler/ddsketch-upgrade
Commit report: 97890b3
Test service: dd-trace-py

✅ 0 Failed, 585 Passed, 1 Skipped, 16m 31.43s Total duration (1m 37.78s time saved)

[pr-commenter]

Benchmarks

Benchmark execution time: 2024-04-01 14:23:28

Comparing candidate commit ed6e9e0 in PR branch emmett.butler/ddsketch-upgrade with baseline commit 907b7e8 in branch main.

Found 4 performance improvements and 1 performance regressions! Performance is the same for 196 metrics, 9 unstable metrics.

scenario:httppropagationextract-large_header_no_matches

• 🟩 max_rss_usage [-783.312KB; -711.728KB] or [-3.577%; -3.250%]

scenario:httppropagationextract-medium_header_no_matches

• 🟩 max_rss_usage [-790.755KB; -721.488KB] or [-3.615%; -3.298%]

scenario:httppropagationextract-wsgi_invalid_priority_header

• 🟥 max_rss_usage [+504.522KB; +733.699KB] or [+2.387%; +3.471%]

scenario:httppropagationextract-wsgi_large_header_no_matches

• 🟩 max_rss_usage [-773.907KB; -699.015KB] or [-3.538%; -3.196%]

scenario:httppropagationextract-wsgi_medium_header_no_matches

• 🟩 max_rss_usage [-786.079KB; -707.733KB] or [-3.595%; -3.237%]