Tts/elevenlabs streaming (#629)

* update to fsmrf with fix

* changes to support elevenlabs tts streaming

* say: add vendor data to span

* bug: tts spans must include cached property

* add env for JAMBONES_USE_FREESWITCH_TIMER_FD

* fix bug in prev commit

* wip

* linting

* wip - caching files generating by streaming tts

* wip caching

* cleanup some logs

* handle tts streaming failure, write alert

* update node version dependency

* set timerfd on outbound call scenarios

* default model to nova-2-phonecall when using deepgram

---------

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

lib/utils/install-srf-locals.js

@@ -176,6 +176,7 @@ function installSrfLocals(srf, logger) {
   const registrar = new Registrar(logger, client);
   const {
     synthAudio,
+    addFileToCache,
     getNuanceAccessToken,
     getIbmAccessToken,
   } = require('@jambonz/speech-utils')({}, logger);
@@ -215,6 +216,7 @@ function installSrfLocals(srf, logger) {
       listCalls,
       deleteCall,
       synthAudio,
+      addFileToCache,
       createHash,
       retrieveHash,
       deleteKey,