change id column type to uuid to match function (#7456)

The table creation process in these examples commands do not match what
the recently updated functions in these example commands is looking for.
This change updates the type in the table creation command.
Issue Number for my report of the doc problem #7446
@rlancemartin and @eyurtsev I believe this is your area
Twitter: @j1philli

Co-authored-by: Bagatur <baskaryan@gmail.com>

docs/extras/integrations/vectorstores/supabase.ipynb

@@ -35,7 +35,7 @@
     "\n",
     "       -- Create a table to store your documents\n",
     "       create table documents (\n",
-    "       id bigserial primary key,\n",
+    "       id uuid primary key,\n",
     "       content text, -- corresponds to Document.pageContent\n",
     "       metadata jsonb, -- corresponds to Document.metadata\n",
     "       embedding vector(1536) -- 1536 works for OpenAI embeddings, change if needed\n",