Optimise `zio.http.endpoint.openapi.JsonSchema.fromZSchemaMulti` #17418

Job	Run time
Build and Test (ubuntu-latest, 2.12.19, graal_graalvm@17)	6m 28s
Release Drafter	0s
Build and Test (ubuntu-latest, 2.12.19, graal_graalvm@21)	6m 53s
Mima Check	0s
Build and Test (ubuntu-latest, 2.12.19, temurin@17)	6m 24s
Unsafe Scoverage (ubuntu-latest, 2.13.14, temurin@8)	6m 46s
Build and Test (ubuntu-latest, 2.12.19, temurin@21)	6m 14s
Build and Test (ubuntu-latest, 2.13.14, graal_graalvm@17)	5m 9s
Jmh CachedDateHeaderBenchmark	0s
Jmh ClientBenchmark	0s
Build and Test (ubuntu-latest, 2.13.14, graal_graalvm@21)	5m 14s
Jmh CookieDecodeBenchmark	0s
Build and Test (ubuntu-latest, 2.13.14, temurin@17)	5m 3s
Build and Test (ubuntu-latest, 2.13.14, temurin@21)	5m 11s
Jmh HttpCollectEval	0s
Jmh EndpointBenchmark	0s
Jmh HttpCombineEval	0s
Build and Test (ubuntu-latest, 3.3.3, graal_graalvm@17)	4m 55s
Build and Test (ubuntu-latest, 3.3.3, graal_graalvm@21)	4m 54s
Jmh HttpNestedFlatMapEval	0s
Build and Test (ubuntu-latest, 3.3.3, temurin@17)	4m 51s
Jmh ProbeContentTypeBenchmark	0s
Build and Test (ubuntu-latest, 3.3.3, temurin@21)	4m 53s
Jmh HttpRouteTextPerf	0s
Jmh SchemeDecodeBenchmark	0s
Jmh ServerInboundHandlerBenchmark	0s
Jmh UtilBenchmark	0s
Performance Benchmarks (SimpleEffectBenchmarkServer)	0s
Performance Benchmarks (PlainTextBenchmarkServer)	0s
Cache Jmh benchmarks	0s
Publish Artifacts	0s
	1h 12m 55s

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