Prune the environment when installing an app #15714

Job	Run time
Jmh CachedDateHeaderBenchmark	0s
Jmh EndpointBenchmark	0s
Build and Test (ubuntu-latest, 2.12.18, graal_graalvm@17)	7m 30s
Build and Test (ubuntu-latest, 2.12.18, temurin@8)	6m 33s
Jmh CookieDecodeBenchmark	0s
Build and Test (ubuntu-latest, 2.13.12, graal_graalvm@17)	10m 53s
Jmh HttpCollectEval	0s
Jmh HttpCombineEval	0s
Build and Test (ubuntu-latest, 2.13.12, temurin@8)	9m 45s
Build and Test (ubuntu-latest, 3.3.1, graal_graalvm@17)	6m 45s
Jmh HttpRouteTextPerf	0s
Jmh HttpNestedFlatMapEval	0s
Jmh ProbeContentTypeBenchmark	0s
Build and Test (ubuntu-latest, 3.3.1, temurin@8)	6m 16s
Jmh SchemeDecodeBenchmark	0s
Jmh ServerInboundHandlerBenchmark	0s
Jmh UtilBenchmark	0s
Unsafe Scoverage (ubuntu-latest, 2.13.12, temurin@8)	5m 3s
Release Drafter (ubuntu-latest, 2.13.10, temurin@8)	7s
Cache Jmh benchmarks	0s
Publish Artifacts	0s
	52m 52s

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