etc/kconfigs.yaml: specify end time of TEST_BLACKHOLE_DEV

Signed-off-by: Philip Li <[email protected]>

Author: rli9

etc/kconfigs.yaml

@@ -299,7 +299,7 @@ TASKS_TRACE_RCU: v5.8-rc1
 TDX_GUEST_DRIVER: v6.2-rc1, x86_64
 TEST_BITMAP: v4.6-rc1
 TEST_BITOPS: v5.8-rc1
-TEST_BLACKHOLE_DEV: v5.3-rc1
+TEST_BLACKHOLE_DEV: v5.3-rc1, <= v6.13
 TEST_CLOCKSOURCE_WATCHDOG: v5.14-rc1
 TEST_DHRY: v6.3-rc1
 TEST_DIV64: v5.13-rc1