fix: send search params as json instead of form-encoded (#32)

* fix: send search params as json instead of form-encoded

* Bump version

---------

Co-authored-by: BruceWouaigne <denis@linkup.so>

Author: juliette0704

linkup/_version.py

@@ -1 +1 @@
-__version__ = "0.2.7"
+__version__ = "0.2.8"

linkup/client.py

@@ -112,7 +112,7 @@ def search(
         response: httpx.Response = self._request(
             method="POST",
             url="/search",
-            data=params,
+            json=params,
             timeout=None,
         )
         if response.status_code != 200:
@@ -189,7 +189,7 @@ async def async_search(
         response: httpx.Response = await self._async_request(
             method="POST",
             url="/search",
-            data=params,
+            json=params,
             timeout=None,
         )
         if response.status_code != 200: