Bump github.com/sagernet/sing from 0.5.1 to 0.7.11 #51

Job	Run time
check-assets	5s
build (windows, 386)	48s
build (linux, amd64)	59s
build (darwin, arm64)	55s
build (openbsd, 386)	57s
build (freebsd, 386)	1m 2s
build (freebsd, amd64)	55s
build (openbsd, amd64)	51s
build (darwin, amd64)	1m 4s
build (windows, amd64)	48s
build (linux, 386)	51s
build (linux, arm, 7)	53s
build (linux, riscv64)	51s
build (linux, mips64le)	46s
build (linux, arm, 6)	1m 0s
build (linux, mipsle)	1m 35s
build (linux, arm64)	1m 4s
build (linux, ppc64)	56s
build (android, amd64, android-amd64)	1m 25s
build (freebsd, arm, 7)	48s
build (linux, arm, 5)	56s
build (linux, ppc64le)	1m 3s
build (freebsd, arm64)	46s
build (android, arm64)	1m 40s
build (linux, mips)	1m 29s
build (linux, mips64)	49s
build (linux, loong64)	50s
build (windows, arm, 7)	52s
build (openbsd, arm64)	1m 14s
build (linux, s390x)	47s
build (windows, arm64)	46s
build (openbsd, arm, 7)	51s
	30m 36s

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