Added msal-extensions to known list (#3030)

## Changes
Added `msal-extensions` to known list 

### Linked issues
Partly resolve #1931

Author: pritishpai

src/databricks/labs/ucx/source_code/known.json

@@ -11325,6 +11325,15 @@
     "msal.wstrust_request": [],
     "msal.wstrust_response": []
   },
+  "msal-extensions": {
+    "msal_extensions": [],
+    "msal_extensions.cache_lock": [],
+    "msal_extensions.libsecret": [],
+    "msal_extensions.osx": [],
+    "msal_extensions.persistence": [],
+    "msal_extensions.token_cache": [],
+    "msal_extensions.windows": []
+  },
   "msgpack": {
     "msgpack": [],
     "msgpack.exceptions": [],
@@ -26623,6 +26632,14 @@
     "pooch.processors": [],
     "pooch.utils": []
   },
+  "portalocker": {
+    "portalocker": [],
+    "portalocker.constants": [],
+    "portalocker.exceptions": [],
+    "portalocker.portalocker": [],
+    "portalocker.redis": [],
+    "portalocker.utils": []
+  },
   "prometheus_client": {
     "prometheus_client": [],
     "prometheus_client.asgi": [],