scripts: ci: tags: Add nrxlib/mpsl/ to ci_samples_mpsl

If nrfxlib/mpsl/ changes we should test that the MPSL
samples still build to catch any issues.

Signed-off-by: Sean Madigan <[email protected]>

Author: sean-madigan

scripts/ci/tags.yaml

@@ -1469,6 +1469,7 @@ ci_samples_mpsl:
     - nrf/samples/mpsl/
     - nrf/samples/nrf5340/empty_app_core/
     - nrf/subsys/mpsl/
+    - nrfxlib/mpsl/
 
 ci_samples_caf:
   files: