refactor: add request id, change how registry is provided

[aaron-steinfeld]

Description

• Add request ID, mapped to the new grpc request id
• Change how grpc channel registry is provided to make it more... guicey.

[github-actions]

Test Results

97 tests  +1   97 ✔️ +1   26s ⏱️ ±0s
32 suites ±0     0 💤 ±0 
32 files   ±0     0 ❌ ±0 

Results for commit 0cbad43. ± Comparison against base commit b3f39e7.

[codecov]

Codecov Report

Merging #107 (0cbad43) into main (b3f39e7) will increase coverage by 0.18%.
The diff coverage is 71.42%.

@@             Coverage Diff              @@
##               main     #107      +/-   ##
============================================
+ Coverage     58.18%   58.37%   +0.18%     
  Complexity      255      255              
============================================
  Files            87       87              
  Lines          1313     1314       +1     
  Branches         39       39              
============================================
+ Hits            764      767       +3     
+ Misses          519      517       -2     
  Partials         30       30              

Flag	Coverage Δ
unit	58.37% <71.42%> (+0.18%)	⬆️

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Impacted Files	Coverage Δ
...graphql/utils/grpc/DefaultGrpcChannelRegistry.java	80.00% <ø> (ø)
...ace/core/graphql/utils/grpc/GraphQlGrpcModule.java	0.00% <0.00%> (ø)
...l/context/DefaultGraphQlRequestContextBuilder.java	82.22% <50.00%> (-1.50%)	⬇️
...graphql/utils/grpc/PlatformGrpcContextBuilder.java	95.65% <100.00%> (+0.19%)	⬆️
...rg/hypertrace/core/graphql/impl/GraphQlModule.java	100.00% <100.00%> (ø)

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