tests: application_development: increase SPDX tests timeout

Validating SPDX3 files can sometimes be a bit slow, increase timeout.

Signed-off-by: Benjamin Cabé <benjamin@zephyrproject.org>

Author: kartben

tests/application_development/software_bill_of_materials/testcase.yaml

@@ -6,5 +6,6 @@ common:
   platform_allow:
     - qemu_cortex_m3
   harness: ctest
+  timeout: 120
 tests:
   buildsystem.sbom.spdx: {}