Increase http read/write timeout (#38)

We saw that during upsert of large batches, index might fail to
answer in 2 minutes if it is performing indexing in the background.

Therefore, I am bumping the http timeout to 10 minutes until we
make it faster on the backend.

upstash_vector/client.py

@@ -35,7 +35,7 @@ def __init__(
         self._url = url
         self._client = httpx.Client(
             timeout=httpx.Timeout(
-                timeout=120.0,
+                timeout=600.0,
                 connect=10.0,
             )
         )
@@ -97,7 +97,7 @@ def __init__(
         self._headers = generate_headers(token)
         self._client = httpx.AsyncClient(
             timeout=httpx.Timeout(
-                timeout=120.0,
+                timeout=600.0,
                 connect=10.0,
             )
         )