deps: update strophejs-plugin-stream-management to fix crash on BOSH

...connection dropped with an error.

package-lock.json

@@ -8779,8 +8779,8 @@
       "integrity": "sha512-T9pJFzn1ZUqZ/we9+OvI5pFdrjeb4IBMbEjK+ZWEZV036wEl8l8GOtF8AJ3sIqOMtdIiFLdFu99JiGWd7yapAQ=="
     },
     "strophejs-plugin-stream-management": {
-      "version": "github:jitsi/strophejs-plugin-stream-management#259542c7a4c5a564c14c14b6fcb6eaba025e5dfc",
-      "from": "github:jitsi/strophejs-plugin-stream-management#259542c7a4c5a564c14c14b6fcb6eaba025e5dfc"
+      "version": "github:jitsi/strophejs-plugin-stream-management#cec7608601c1bc098543823fc658e3ddf758c009",
+      "from": "github:jitsi/strophejs-plugin-stream-management#cec7608601c1bc098543823fc658e3ddf758c009"
     },
     "supports-color": {
       "version": "2.0.0",

package.json

@@ -26,7 +26,7 @@
     "sdp-transform": "2.3.0",
     "strophe.js": "1.3.4",
     "strophejs-plugin-disco": "0.0.2",
-    "strophejs-plugin-stream-management": "github:jitsi/strophejs-plugin-stream-management#259542c7a4c5a564c14c14b6fcb6eaba025e5dfc",
+    "strophejs-plugin-stream-management": "github:jitsi/strophejs-plugin-stream-management#cec7608601c1bc098543823fc658e3ddf758c009",
     "webrtc-adapter": "github:webrtc/adapter#1eec19782b4058d186341263e7d049cea3e3290a"
   },
   "devDependencies": {