Set onnxruntime-c local pod path environment variable for react native e2e tests on ci (#16431)
### Description
<!-- Describe your changes. -->
Set onnxruntime-c local pod path environment variable for react native
e2e tests on react-native-ci.yml
### Motivation and Context
<!-- - Why is this change required? What problem does it solve?
- If it fixes an open issue, please link to the issue here. -->
Previously the E2E test project is not properly consuming a local built
onnxruntime-c version pod.
https://github.com/microsoft/onnxruntime/pull/16411#issuecomment-1598512816