Bump env_logger from 0.11.5 to 0.11.6 #409

Job	Run time
docs-pr	5s
spell check with typos	7s
build-on-linux (linux-kvm-debug)	1m 36s
build-on-windows (windows-debug)	43s
build-on-linux (linux-kvm-release)	1m 20s
build-on-windows (windows-release)	47s
build-on-linux (linux-hyperv-debug)	1m 27s
build-on-linux (linux-hyperv-release)	1m 21s
fuzzing / fuzz	9m 54s
rust / build (hyperv, amd, debug)	17m 19s
rust / build (hyperv, amd, release)	23m 21s
rust / build (hyperv, intel, debug)	16m 49s
rust / build (hyperv, intel, release)	22m 56s
rust / build (mshv, amd, debug)	11m 52s
rust / build (mshv, amd, release)	15m 15s
rust / build (mshv, intel, debug)	10m 55s
rust / build (mshv, intel, release)	15m 7s
rust / build (kvm, amd, debug)	13m 7s
rust / build (kvm, amd, release)	16m 4s
rust / build (kvm, intel, debug)	10m 58s
rust / build (kvm, intel, release)	14m 32s
	3h 25m 35s

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