Fix GPG verify path for staged release artifacts #3524

Job	Run time
check-skip	3s
Build Apache Cloudberry RPM	14m 13s
prepare-test-matrix	4s
RPM Install Test Apache Cloudberry	7m 48s
ic-good-opt-on	2m 45s
ic-expandshrink	4m 59s
ic-singlenode	2m 12s
ic-good-opt-off	2m 12s
ic-contrib	3m 12s
ic-parallel-retrieve-cursor	2m 4s
ic-resgroup-v2	2m 34s
ic-fixme	2m 43s
ic-isolation2-crash	2m 18s
ic-isolation2	2m 1s
pax-ic-good-opt-off	2m 27s
ic-isolation2-hot-standby	2m 26s
ic-gpcontrib	3m 24s
pax-ic-isolation2-opt-on	2m 42s
ic-cbdb-parallel	2m 17s
pax-ic-isolation2-opt-off	3m 15s
pax-ic-good-opt-on	3m 6s
Generate Apache Cloudberry Build Report	4s
	1h 8m 49s

Provide feedback