fix: bump ipython version to address compilation issues with py3.8 (#3667)

Fixes: #3658
Fixes: #3659
Fixes: #3660

Co-authored-by: Takashi Matsuo <[email protected]>

Author: shollyman

bigquery/datalab-migration/requirements.txt

@@ -1,6 +1,6 @@
 grpcio==1.28.1
 google-cloud-bigquery[pandas,pyarrow]==1.24.0
 datalab==1.2.0
-ipython==7.2.0; python_version > "2.7"
+ipython==7.13.0; python_version > "2.7"
 ipython<=5.5; python_version == "2.7"
 google-cloud-monitoring==0.35.0