Bump github.com/sagernet/sing from 0.5.1 to 0.7.13 #65

Job	Run time
check-assets	5s
build (freebsd, 386)	59s
build (darwin, amd64)	1m 0s
build (windows, amd64)	53s
build (windows, 386)	59s
build (linux, 386)	51s
build (openbsd, amd64)	56s
build (freebsd, amd64)	1m 5s
build (darwin, arm64)	1m 1s
build (linux, arm, 7)	52s
build (openbsd, 386)	58s
build (linux, amd64)	56s
build (android, arm64)	1m 16s
build (windows, arm64)	53s
build (windows, arm, 7)	53s
build (linux, mips64le)	53s
build (linux, mipsle)	1m 25s
build (linux, arm, 6)	50s
build (linux, arm, 5)	1m 0s
build (linux, riscv64)	1m 0s
build (linux, s390x)	50s
build (linux, arm64)	1m 1s
build (openbsd, arm64)	1m 0s
build (linux, mips)	1m 24s
build (android, amd64, android-amd64)	1m 15s
build (linux, ppc64)	50s
build (freebsd, arm64)	53s
build (openbsd, arm, 7)	57s
build (linux, mips64)	56s
build (linux, ppc64le)	57s
build (linux, loong64)	53s
build (freebsd, arm, 7)	1m 1s
	30m 42s

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