* chaning default model to gpt-4o-mini
* adding release notes
* fixing some missed tests
* fixing some more missed tests
* fixing one last missed test
* fixing linting issues
* making pylint happy about an end2end test
* chaning if test to walruss operator
* fixing azure embedder from ada to text-embedding-ada-002
max_retries: if not set is read from the OPENAI_MAX_RETRIES
env variable or set to 5.
timeout: if not set is read from the OPENAI_TIMEOUT
env variable or set to 30.
Signed-off-by: Nitanshu Vashistha <nitanshu.vzard@gmail.com>
