fix(services/ghac): Fix stat_with_if_none_match been set in wrong

[Xuanwo]

Which issue does this PR close?

Fix CI failure introduced by #5472

Rationale for this change

What changes are included in this PR?

Are there any user-facing changes?

[codspeed-hq]

CodSpeed Performance Report

Merging #5477 will degrade performances by 15.89%

_{Comparing fix-ghac (1c21cf1) with main (4e99afa)}

Summary

⚡ 8 improvements
❌ 4 regressions
✅ 61 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	main	fix-ghac	Change
❌	buffer 256 KiB * 32 chunk	154.4 ns	183.6 ns	-15.89%
❌	buffer 256 KiB * 4 chunk	154.4 ns	183.6 ns	-15.89%
❌	buffer 4.00 MiB * 32 chunk	154.4 ns	183.6 ns	-15.89%
❌	buffer 4.00 MiB * 4 chunk	154.4 ns	183.6 ns	-15.89%
⚡	256 KiB * 1000k chunk	183.6 ns	154.4 ns	+18.88%
⚡	256 KiB * 1000k truncate	245.8 ns	216.7 ns	+13.46%
⚡	256 KiB * 100k chunk	183.6 ns	154.4 ns	+18.88%
⚡	256 KiB * 100k truncate	245.8 ns	216.7 ns	+13.46%
⚡	256 KiB * 10k chunk	183.6 ns	154.4 ns	+18.88%
⚡	256 KiB * 10k truncate	245.8 ns	216.7 ns	+13.46%
⚡	256 KiB * 1k chunk	212.8 ns	183.6 ns	+15.89%
⚡	256 KiB * 1k truncate	245.8 ns	216.7 ns	+13.46%