chore: Merge staged otel work

[bizob2828]

Description

Please provide a brief description of the changes introduced in this pull request.
What problem does it solve? What is the context of this change?

This PR merges the work that has been in flight to support the opentelemetry bridge. The big changes are the context manager now stores the segment separate from the transaction. Also segments no longer store their children. Lastly there's code to synthesize segments from Otel spans but none of that code is hooked into the agent yet.

How to Test

Please describe how you have tested these changes. Have you run the code against an example application?
What steps did you take to ensure that the changes are working correctly?

For changelog:

• feat: added segment tree to transaction trace (feat: added segment tree to transaction trace #2717)
• feat: Removed children from segments. (feat: Removed children from segments. #2689)
• feat: Removed transaction from segment. Introduced a new enterSegment and enterTransaction to make context propagation more clear (feat: Removed transaction from segment. Introduced a new enterSegment and enterTransaction to make context propagation more clear #2646)
• fix: Updated shim.createSegment and shim.handleMqTracingHeaders to be backwards compatible with the changes to context manager (fix: Updated shim.createSegment and shim.handleMqTracingHeaders to be backwards compatible with the changes to context manager #2844)
• feat: Add rules engine to match OTEL spans (chore: Add rules engine to match OTEL spans #2694)
• feat: Added segment synthesizer and provided ability to convert http client otel spans to external http trace segments (feat: Added segment synthesizer and provided ability to convert http client otel spans to external http trace segments #2745)
• feat: Added otel consumer span processing (feat: Added otel consumer span processing #2854)
• feat: Added segment synthesis for internal spans (feat: Added segment synthesis for internal spans #2840)
• feat: Added segment synthesis for otel producer spans (feat: Added segment synthesis for otel producer spans #2839)
• refactor: Removed class construction on the segment synthesis and ins… (refactor: Removed class construction on the segment synthesis and ins… #2837)
• feat: Added segment and transaction synthesis for http server spans (feat: Added segment and transaction synthesis for http server spans #2833)
• chore: Updated rules engine to account for fallbacks (chore: Updated rules engine to account for fallbacks #2831)
• feat: Added segment synthesis for db client otel spans to db trace (feat: Added segment synthesis for db client otel spans to db trace #2820)

[codecov]

Codecov Report

Attention: Patch coverage is 99.63293% with 7 lines in your changes missing coverage. Please review.

Project coverage is 97.35%. Comparing base (a93fe6e) to head (b960a00).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
lib/otel/rules.js	99.17%	2 Missing ⚠️
lib/otel/segment-synthesis.js	97.05%	2 Missing ⚠️
lib/shim/shim.js	98.94%	2 Missing ⚠️
lib/instrumentation/when/index.js	96.77%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2873      +/-   ##
==========================================
+ Coverage   97.27%   97.35%   +0.08%     
==========================================
  Files         296      308      +12     
  Lines       46560    47369     +809     
==========================================
+ Hits        45289    46116     +827     
+ Misses       1271     1253      -18     

Flag	Coverage Δ
integration-tests-cjs-18.x	73.20% <75.98%> (+0.03%)	⬆️
integration-tests-cjs-20.x	73.20% <75.98%> (+0.03%)	⬆️
integration-tests-cjs-22.x	73.23% <75.98%> (+0.04%)	⬆️
integration-tests-esm-18.x	49.84% <29.82%> (-0.05%)	⬇️
integration-tests-esm-20.x	49.84% <29.82%> (-0.05%)	⬇️
integration-tests-esm-22.x	49.89% <29.82%> (-0.05%)	⬇️
unit-tests-18.x	89.12% <89.46%> (+0.23%)	⬆️
unit-tests-20.x	89.12% <89.46%> (+0.23%)	⬆️
unit-tests-22.x	89.13% <89.46%> (+0.23%)	⬆️
versioned-tests-18.x	79.23% <89.74%> (-0.03%)	⬇️
versioned-tests-20.x	79.21% <89.74%> (-0.06%)	⬇️
versioned-tests-22.x	79.22% <89.74%> (-0.06%)	⬇️

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[jsumners-nr]

No merge conflicts, and tests are passing = 👍