[zig] Update zap to 0.11

[dragosv]

Updated zap to 0.11 and zig to 0.15

[joanhey]

Please add yourself to the maintainers in the benchmark_config.json.

So with any change or marked as broken, you will be notified.

Example:

FrameworkBenchmarks/frameworks/Java/quarkus/benchmark_config.json

Lines 1 to 6 in 33531b8

	{
	"framework": "quarkus",
	"maintainers": ["franz1981", "Sanne", "geoand"],
	"tests": [
	{
	"default": {