perf: Run all benchmarks in one action

[bantonsson]

Changes

Runs all the benchmarks in one single action. It also removes all feature flags from the github action and relies on the features defined in the Cargo.toml files. This ensure that no benchmarks are skipped accidentally.

Merge requirement checklist

• CONTRIBUTING guidelines followed
• Unit tests added/updated (if applicable)
• Appropriate CHANGELOG.md files updated for non-trivial, user-facing changes
• Changes in public API reviewed (if applicable)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.1%. Comparing base (d5e409c) to head (36b2494).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##            main   #2885     +/-   ##
=======================================
- Coverage   81.1%   81.1%   -0.1%     
=======================================
  Files        124     124             
  Lines      23927   23927             
=======================================
- Hits       19411   19406      -5     
- Misses      4516    4521      +5     

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[scottgerring]

This'll make it easier to use a jazzier benchmark process (e.g., to publish to pages, like otel collector does) as well. No brainer to approve once we've seen it run through successfully once and checked that we've got the same set of benches running.

[bantonsson]

Same time and same number of benchmarks (168).

[scottgerring]

straight to prod

[cijothomas]