update header_value to new schema

Author: Gawor270

fishjam/api/_client.py

@@ -14,7 +14,7 @@ def __init__(self, fishjam_id: str, management_token: str):
         self.client = AuthenticatedClient(
             self._fishjam_url,
             token=management_token,
-            headers={"x-fishjam-api-client": f"python-server-{get_version()}"},
+            headers={"x-fishjam-api-client": f"python-server/{get_version()}"},
         )
 
     def _request(self, method, **kwargs):

tests/test_room_api.py

@@ -83,7 +83,7 @@ def mock_send(request, **kwargs):
         assert captured_headers is not None
         assert "x-fishjam-api-client" in captured_headers
 
-        expected_header_value = f"python-server-{get_version()}"
+        expected_header_value = f"python-server/{get_version()}"
         assert captured_headers["x-fishjam-api-client"] == expected_header_value