docs: add info about streaming quota limits to insert_rows* methods (#1409)

* docs: add information about streaming quota limits (413: Payload Too Large)

Co-authored-by: Anthonios Partheniou <[email protected]>

Author: aribray

google/cloud/bigquery/client.py

@@ -3358,6 +3358,14 @@ def insert_rows(
         See
         https://cloud.google.com/bigquery/docs/reference/rest/v2/tabledata/insertAll
 
+        BigQuery will reject insertAll payloads that exceed a defined limit (10MB).
+        Additionally, if a payload vastly exceeds this limit, the request is rejected
+        by the intermediate architecture, which returns a 413 (Payload Too Large) status code.
+
+
+        See
+        https://cloud.google.com/bigquery/quotas#streaming_inserts
+
         Args:
             table (Union[ \
                 google.cloud.bigquery.table.Table, \
@@ -3424,6 +3432,13 @@ def insert_rows_from_dataframe(
     ) -> Sequence[Sequence[dict]]:
         """Insert rows into a table from a dataframe via the streaming API.
 
+        BigQuery will reject insertAll payloads that exceed a defined limit (10MB).
+        Additionally, if a payload vastly exceeds this limit, the request is rejected
+        by the intermediate architecture, which returns a 413 (Payload Too Large) status code.
+
+        See
+        https://cloud.google.com/bigquery/quotas#streaming_inserts
+
         Args:
             table (Union[ \
                 google.cloud.bigquery.table.Table, \
@@ -3485,6 +3500,13 @@ def insert_rows_json(
         See
         https://cloud.google.com/bigquery/docs/reference/rest/v2/tabledata/insertAll
 
+        BigQuery will reject insertAll payloads that exceed a defined limit (10MB).
+        Additionally, if a payload vastly exceeds this limit, the request is rejected
+        by the intermediate architecture, which returns a 413 (Payload Too Large) status code.
+
+        See
+        https://cloud.google.com/bigquery/quotas#streaming_inserts
+
         Args:
             table (Union[ \
                 google.cloud.bigquery.table.Table \