ci: bsim tests: Also trigger on MbedTLS module changes

Trigger bsim tests also on changes to the MbedTLS module code in Zephyr
side. To avoid possible regressions in bsim tests when this code is
changed getting into main.

Signed-off-by: Alberto Escolar Piedras <alberto.escolar.piedras@nordicsemi.no>

.github/workflows/bsim-tests.yaml

@@ -18,6 +18,7 @@ on:
       - "include/zephyr/arch/posix/**"
       - "scripts/native_simulator/**"
       - "samples/net/sockets/echo_*/**"
+      - "modules/mbedtls/**"
       - "modules/openthread/**"
       - "subsys/net/l2/openthread/**"
       - "include/zephyr/net/openthread.h"
@@ -103,6 +104,7 @@ jobs:
             tests/bsim/*
             boards/nordic/nrf5*/*dt*
             dts/*/nordic/
+            modules/mbedtls/**
 
       - name: Check if Bluethooth files changed
         uses: tj-actions/changed-files@v45