Report coverage to codecov (#5660)

Use the codecov uploader in azure pipelines to report coverage to
codecov

---------

Signed-off-by: Justin Chu <justinchu@microsoft.com>

.azure-pipelines/Linux-CI.yml

@@ -81,7 +81,7 @@ jobs:
   - script: |
       source venv/bin/activate
 
-      pytest -sv
+      pytest -sv --cov=onnx --cov-report=xml --cov-append --cov-branch --junit-xml pytest.xml
       if [ $? -ne 0 ]; then
         echo "pytest failed"
         exit 1
@@ -97,6 +97,14 @@ jobs:
 
     displayName: 'Run ONNX tests'
 
+  - script: |
+      curl -Os https://uploader.codecov.io/latest/linux/codecov
+      chmod +x codecov
+      ./codecov
+
+    continueOnError: true
+    displayName: 'Upload to codecov'
+
   - script: |
       source venv/bin/activate
       python onnx/backend/test/cmd_tools.py generate-data --clean

.reuse/dep5

@@ -13,6 +13,9 @@ Files: .azure-pipelines/*.yml
 COPYRIGHT: Copyright (c) ONNX Project Contributors
 License: Apache-2.0
 
+Files: codecov.yml
+COPYRIGHT: Copyright (c) ONNX Project Contributors
+License: Apache-2.0
 
 Files: .github/**/*.md .github/pull_request_template.md
 COPYRIGHT: Copyright (c) ONNX Project Contributors

codecov.yml

@@ -0,0 +1,8 @@
+coverage:
+  status:
+    project:
+      default:
+        informational: true
+    patch:
+      default:
+        informational: true

requirements-release.txt

@@ -5,6 +5,7 @@ numpy==1.24.3
 parameterized
 protobuf==4.21.12
 pytest
+pytest-cov
 setuptools
 twine
 wheel