fix: Ensure calls to BoardListWatch gRPC correctly release resources … #4655

Job	Run time
run-determination	1s
package-name-prefix	1s
Create artifact Windows_X86-32	1m 10s
Create artifact Windows_X86-64	1m 10s
Create artifact Linux_X86-32	1m 20s
Create artifact Linux_X86-64	1m 14s
Create artifact Linux_ARMv6	59s
Create artifact Linux_ARMv7	1m 0s
Create artifact Linux_ARM64	54s
Create artifact macOS_64	1m 25s
Create artifact macOS_ARM64	1m 46s
Create artifact rpc-protocol-files	11s
Create artifact configuration-schema	15s
checksums	4s
	11m 30s

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