chore(deps): update dependency ipython to v8.8.0 (#545)

Author: renovate-bot

samples/to_dataframe/requirements.txt

@@ -4,7 +4,7 @@ google-cloud-bigquery==3.4.1
 pyarrow==10.0.1
 ipython===7.31.1; python_version == '3.7'
 ipython===8.0.1; python_version == '3.8'
-ipython==8.5.0; python_version >= '3.9'
+ipython==8.8.0; python_version >= '3.9'
 ipywidgets==8.0.4
 pandas===1.3.5; python_version == '3.7'
 pandas==1.5.2; python_version > '3.7'