Fix signing key check #6317

Job	Run time
Build apps module on ubuntu-latest / Build apps module on ubuntu-latest	2m 14s
Build apps module on macOS-latest / Build apps module on macOS-latest	1m 53s
Build apps module on windows-latest / Build apps module on windows-latest	4m 48s
Build Bisq on macOS-latest / Build Bisq on macOS-latest	1m 17s
Build tor module on ubuntu-latest / Build tor module on ubuntu-latest	1m 11s
Build tor module on macOS-latest / Build tor module on macOS-latest	1m 32s
Build Bisq on windows-latest / Build Bisq on windows-latest	3m 10s
Build Bisq on ubuntu-latest / Build Bisq on ubuntu-latest	1m 13s
Build tor module on windows-latest / Build tor module on windows-latest	4m 28s
Build network module on windows-latest / Build network module on windows-latest	2m 15s
Build network module on ubuntu-latest / Build network module on ubuntu-latest	1m 10s
Build network module on macOS-latest / Build network module on macOS-latest	1m 19s
Build wallet module on ubuntu-latest / Build wallet module on ubuntu-latest	1m 39s
Build wallet module on windows-latest / Build wallet module on windows-latest	3m 48s
Build wallet module on macOS-latest / Build wallet module on macOS-latest	1m 23s
	33m 20s

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