Add test dep

Author: Brent Millare

requirements.txt

@@ -1,6 +1,6 @@
 Flask==1.1.1  # sagemaker-containers requires flask 1.1.1
 PyYAML==5.4.1
-Pillow==9.0.1
+Pillow==9.1.0
 boto3==1.17.52
 botocore==1.20.52
 cryptography==35.0.0
@@ -23,4 +23,4 @@ urllib3==1.26.5
 wheel==0.36.2
 jinja2==2.10.2
 MarkupSafe==1.1.1
-Werkzeug==0.15.6
+Werkzeug==0.15.6

test/resources/versions/train.py

@@ -6,7 +6,7 @@
 PYTHON_MINOR_VERSION = 7
 REQUIREMENTS = """\
 Flask==1.1.1
-Pillow==9.0.0
+Pillow==9.1.0
 PyYAML==5.4.1
 boto3==1.17.52
 botocore==1.20.52