Add riscv64 linux tools download support #4727

Job	Run time
run-determination	1s
package-name-prefix	1s
Create artifact Windows_X86-32	1m 14s
Create artifact Windows_X86-64	1m 12s
Create artifact Linux_X86-32	1m 7s
Create artifact Linux_X86-64	1m 6s
Create artifact Linux_ARMv6	58s
Create artifact Linux_ARMv7	56s
Create artifact Linux_ARM64	1m 0s
Create artifact macOS_64	1m 27s
Create artifact macOS_ARM64	1m 46s
Create artifact rpc-protocol-files	18s
Create artifact configuration-schema	14s
checksums	6s
	11m 26s

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