[12] Update manifest to Zephyr v3.7.0 (LTS)

Verified by:

1.  west update &&
    ./zephyr/scripts/twister -p unit_testing -T bacnet/zephyr/tests/
    Visually verified all non-skipped tests passed.

Author: legrand-gregshue

west.yml

@@ -41,7 +41,7 @@ manifest:
       revision: master
     - name: zephyr
       path: zephyr
-      revision: v3.6.0
+      revision: v3.7.0
       remote: zephyrproject-rtos
       west-commands: scripts/west-commands.yml
       import: