Update grpc to v1.66.0 and switch to CodecV2

[renovate-bot]

gRPC v1.66.0 introduced CodecV2 that supports buffer pooling. The old V1 codecs no longer work (just the upgrade itself was causing panic, see grpc/grpc-go@cfd14ba#r145974307)

This PR contains the following updates:

• Upgrade pkg/gogocodec/codec.go to implement CodecV2 API.
• Translate mem.BufferSlice into []byte as needed (introduces a very small performance hit and increase in allocations)

Package	Change	Age	Adoption	Passing	Confidence
google.golang.org/grpc	v1.65.0 -> v1.66.0

Performance differences

Before

$ go test -benchmem -run=^$ -bench ^BenchmarkCodec github.com/jaegertracing/jaeger/pkg/gogocodec
goos: darwin
goarch: arm64
pkg: github.com/jaegertracing/jaeger/pkg/gogocodec
cpu: Apple M1 Pro
BenchmarkCodecUnmarshal25Spans-10    	   30015	     39020 ns/op	  108616 B/op	    1082 allocs/op

After

goos: darwin
goarch: arm64
pkg: github.com/jaegertracing/jaeger/pkg/gogocodec
cpu: Apple M1 Pro
BenchmarkCodecUnmarshal25Spans-10    	   29352	     39752 ns/op	  119496 B/op	    1083 allocs/op

---

Release Notes

grpc/grpc-go (google.golang.org/grpc)

v1.66.0: Release 1.66.0

Compare Source

New Features

• metadata: stabilize ValueFromIncomingContext (#​7368)
  • Special Thanks: @​KarthikReddyPuli
• client: stabilize the WaitForStateChange and GetState methods, which were previously experimental. (#​7425)
• xds: Implement ADS flow control mechanism (#​7458)
  • See https://github.com/grpc/grpc/issues/34099 for context.
• balancer/rls: Add metrics for data cache and picker internals (#​7484, #​7495)
• xds: LRS load reports now include the total_issued_requests field. (#​7544)

Bug Fixes

• grpc: Clients now return status code INTERNAL instead of UNIMPLEMENTED when the server uses an unsupported compressor. This is consistent with the gRPC compression spec. (#​7461)
  • Special Thanks: @​Gayathri625
• transport: Fix a bug which could result in writes busy looping when the underlying conn.Write returns errors (#​7394)
  • Special Thanks: @​veshij
• client: fix race that could lead to orphaned connections and associated resources. (#​7390)
• xds: use locality from the connected address for load reporting with pick_first (#​7378)
  • without this fix, if a priority contains multiple localities with pick_first, load was reported for the wrong locality
• client: prevent hanging during ClientConn.Close() when the network is unreachable (#​7540)

Performance Improvements

• transport: double buffering is avoided when using an http connect proxy and the target server waits for client to send the first message. (#​7424)
• codec: Implement a new Codec which uses buffer recycling for encoded message (#​7356)
  • introduce a mem package to facilitate buffer reuse (#​7432)
  • Special Thanks: @​PapaCharlie

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.81%. Comparing base (d520c41) to head (99fccbe).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5900   +/-   ##
=======================================
  Coverage   96.81%   96.81%           
=======================================
  Files         342      342           
  Lines       16523    16524    +1     
=======================================
+ Hits        15996    15997    +1     
  Misses        340      340           
  Partials      187      187           

Flag	Coverage Δ
badger_v1	8.05% <28.57%> (-0.01%)	⬇️
badger_v2	1.82% <100.00%> (+0.01%)	⬆️
cassandra-3.x-v1	16.62% <28.57%> (-0.01%)	⬇️
cassandra-3.x-v2	1.75% <100.00%> (+0.01%)	⬆️
cassandra-4.x-v1	16.62% <28.57%> (-0.01%)	⬇️
cassandra-4.x-v2	1.75% <100.00%> (+0.01%)	⬆️
elasticsearch-6.x-v1	18.79% <28.57%> (-0.01%)	⬇️
elasticsearch-7.x-v1	18.85% <28.57%> (-0.01%)	⬇️
elasticsearch-8.x-v1	19.03% <28.57%> (-0.02%)	⬇️
elasticsearch-8.x-v2	1.82% <100.00%> (+0.01%)	⬆️
grpc_v1	9.48% <100.00%> (-0.01%)	⬇️
grpc_v2	7.16% <100.00%> (+0.01%)	⬆️
kafka-v1	9.74% <28.57%> (-0.01%)	⬇️
kafka-v2	1.82% <100.00%> (+0.01%)	⬆️
memory_v2	1.82% <100.00%> (+0.01%)	⬆️
opensearch-1.x-v1	18.90% <28.57%> (-0.01%)	⬇️
opensearch-2.x-v1	18.90% <28.57%> (+<0.01%)	⬆️
opensearch-2.x-v2	1.82% <100.00%> (+0.02%)	⬆️
unittests	95.29% <100.00%> (+<0.01%)	⬆️

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