chore(deps): update dependency matplotlib to v3.5.2 (#1237)

Author: renovate-bot

packages/google-cloud-bigquery/samples/magics/requirements.txt

@@ -5,7 +5,7 @@ grpcio==1.44.0
 ipython===7.31.1; python_version == '3.7'
 ipython===8.0.1; python_version == '3.8'
 ipython==8.3.0; python_version >= '3.9'
-matplotlib==3.5.1
+matplotlib==3.5.2
 pandas===1.3.5; python_version == '3.7'
 pandas==1.4.2; python_version >= '3.8'
 pyarrow==7.0.0

packages/google-cloud-bigquery/samples/snippets/requirements.txt

@@ -5,7 +5,7 @@ grpcio==1.44.0
 ipython===7.31.1; python_version == '3.7'
 ipython===8.0.1; python_version == '3.8'
 ipython==8.3.0; python_version >= '3.9'
-matplotlib==3.5.1
+matplotlib==3.5.2
 pandas===1.3.5; python_version == '3.7'
 pandas==1.4.2; python_version >= '3.8'
 pyarrow==7.0.0