fix: examples/onnxrt/image_recognition/resnet50/requirements.txt to reduce vulnerabilities
The following vulnerabilities are fixed by pinning transitive dependencies:
@@ -3,3 +3,5 @@ ort-nightly==1.5.2.dev202012081
torch
torchvision
--find-links https://test.pypi.org/simple/ort_nightly
+
+pillow>=8.1.0 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file
