Fix ONNX test_quantize unittest (#6716)

.github/workflows/self-push.yml

@@ -45,7 +45,7 @@ jobs:
         source .env/bin/activate
         pip install --upgrade pip
         pip install torch!=1.6.0
-        pip install .[sklearn,testing]
+        pip install .[sklearn,testing,onnxruntime]
 
     - name: Are GPUs recognized by our DL frameworks
       run: |

.github/workflows/self-scheduled.yml

@@ -42,7 +42,7 @@ jobs:
         source .env/bin/activate
         pip install --upgrade pip
         pip install torch!=1.6.0
-        pip install .[sklearn,testing]
+        pip install .[sklearn,testing,onnxruntime]
 
     - name: Are GPUs recognized by our DL frameworks
       run: |