support listen verb support bidirectionalAudioSampleRate (#695)

* support listen verb support bidirectionalAudioSampleRate

* ưip

* update verb spec and drachtio fsmrf

* fix listen failing testcase

* fix review comment

* update freeswitch test image

* update freeswitch teset image

---------

Co-authored-by: Dave Horton <daveh@beachdognet.com>

package.json

@@ -47,7 +47,7 @@
     "bent": "^7.3.12",
     "debug": "^4.3.4",
     "deepcopy": "^2.1.0",
-    "drachtio-fsmrf": "^3.0.39",
+    "drachtio-fsmrf": "^3.0.40",
     "drachtio-srf": "^4.5.31",
     "express": "^4.18.2",
     "express-validator": "^7.0.1",