[nrf noup] ci: fix suit-dfu-test entries in test-spec

Fix and update triggers for SUIT DFU tests.

Signed-off-by: Krzysztof Szromek <[email protected]>

Author: kszromek-nordic

.github/test-spec.yml

@@ -391,10 +391,11 @@
   - "drivers/mbox/**/*"
   - "drivers/serial/**/*"
   - "drivers/console/**/*"
+  - "drivers/gpio/**/*"
   - "dts/common/nordic/*"
-  - "dts/arm/nordic/nrf54h*"
-  - "dts/riscv/nordic/nrf54h*"
-  - "boards/nordic/nrf54h*"
+  - "dts/arm/nordic/nrf54h*/**/*"
+  - "dts/riscv/nordic/nrf54h*/**/*"
+  - "boards/nordic/nrf54h*/**/*"
   - "soc/nordic/nrf54h/**/*"
   - "include/zephyr/**/*"
   - "subsys/logging/**/*"