feat: upgrade to Go 1.26 with GOEXPERIMENT=jsonv2#29
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Bump Go from 1.25.1 to 1.26 and enable GOEXPERIMENT=jsonv2 across all build surfaces (Makefile, Dockerfile, goreleaser, CI) to leverage the jsonv2 encoding/json internals for faster marshal/unmarshal and reduced GC overhead via Green Tea GC. Add JSON benchmarks targeting the hot-path logging operations to measure the impact on unmarshal, marshal indent, beautifyJSON, and the full request/response logging flow. Benchmark results (Go 1.25.1 vs Go 1.26 GOEXPERIMENT=jsonv2): JSONUnmarshal: ~4.0x faster across all sizes (283 -> 536 MB/s at 1KB, 421 -> 1679 MB/s at 5MB) JSONMarshalIndent: ~3.2-3.5x faster, 35-45% less memory allocated JSONLoggingFlow: ~3.1-3.7x faster end-to-end on the hot-path logging goroutines
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Signed-off-by: Barnabas Busa <busa.barnabas@gmail.com>
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Bump Go from 1.25.1 to 1.26 and enable GOEXPERIMENT=jsonv2 across all build surfaces (Makefile, Dockerfile, goreleaser, CI) to leverage the jsonv2 encoding/json internals for faster marshal/unmarshal and reduced GC overhead via Green Tea GC.
Add JSON benchmarks targeting the hot-path logging operations to measure the impact on unmarshal, marshal indent, beautifyJSON, and the full request/response logging flow.
Benchmark results (Go 1.25.1 vs Go 1.26 GOEXPERIMENT=jsonv2):
JSONUnmarshal: ~4.0x faster across all sizes (283 -> 536 MB/s at 1KB, 421 -> 1679 MB/s at 5MB)
JSONMarshalIndent: ~3.2-3.5x faster, 35-45% less memory allocated
JSONLoggingFlow: ~3.1-3.7x faster end-to-end on the hot-path logging goroutines