use locally-built rust with symbols & pgo

[davidhewitt]

Change Summary

Should make benchmarks easier to read:

• git-based stuff like Draft: perf test - using prebuilt validators and serializers #11374 will now use PGO
• all benchmarks will have rust symbols in the codspeed flamegraphs

Related issue number

N/A

Checklist

• The pull request title is a good summary of the changes - it will be used in the changelog
• Unit tests for the changes exist
• Tests pass on CI
• Documentation reflects the changes where applicable
• My PR is ready to review, please add a comment including the phrase "please review" to assign reviewers

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View logs

[github-actions]

Coverage report

This PR does not seem to contain any modification to coverable code.

[codspeed-hq]

CodSpeed Performance Report

Merging #11403 will not alter performance

_{Comparing dh/local-core (0e69f46) with main (929e8f4)}

Summary

✅ 45 untouched benchmarks

[sydney-runkle]

Great, thanks @davidhewitt!! Much appreciated :)