whitelist httpcore (#2138)

## Changes
whitelist httpcore

### Linked issues
Progresses #1901

### Functionality
None

### Tests
- [x] manually tested

Co-authored-by: Eric Vergnaud <[email protected]>

Author: ericvergnaud

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

@@ -4808,6 +4808,39 @@
   "html5lib": {
     "html5lib": []
   },
+  "httpcore": {
+    "httpcore": [],
+    "httpcore._api": [],
+    "httpcore._async": [],
+    "httpcore._async.connection": [],
+    "httpcore._async.connection_pool": [],
+    "httpcore._async.http11": [],
+    "httpcore._async.http2": [],
+    "httpcore._async.http_proxy": [],
+    "httpcore._async.interfaces": [],
+    "httpcore._async.socks_proxy": [],
+    "httpcore._backends": [],
+    "httpcore._backends.anyio": [],
+    "httpcore._backends.auto": [],
+    "httpcore._backends.base": [],
+    "httpcore._backends.mock": [],
+    "httpcore._backends.sync": [],
+    "httpcore._backends.trio": [],
+    "httpcore._exceptions": [],
+    "httpcore._models": [],
+    "httpcore._ssl": [],
+    "httpcore._sync": [],
+    "httpcore._sync.connection": [],
+    "httpcore._sync.connection_pool": [],
+    "httpcore._sync.http11": [],
+    "httpcore._sync.http2": [],
+    "httpcore._sync.http_proxy": [],
+    "httpcore._sync.interfaces": [],
+    "httpcore._sync.socks_proxy": [],
+    "httpcore._synchronization": [],
+    "httpcore._trace": [],
+    "httpcore._utils": []
+  },
   "huggingface-hub": {
     "huggingface_hub": []
   },