[AE-140] and 141 Added OpenAPI definition and schemathesis pytests

[gleonard-m]

References

JIRA: AE-140

Description

1. Added OpenAPI definition (_test-engineering/contract/volumes/client/tiles_v1openapi.yml). This file documents the /v1/tiles endpoint.
2. Added test-engineering/contract/client/tests_openapi/test_openapi.py to execute API pytests using schemathesis and the OpenAPI defintion.
3. Updated the poetry.lock and the pyproject.toml files. The poetry.lock files has many upversioned packages.
4. Updated mio to version 0.8.11 (vulnerability identified by CircleCI Core Rust Checks) using cargo update

PR Review Checklist

Put an x in the boxes that apply

• [x] This PR conforms to the Contribution Guidelines
• [ ] This PR conforms to the Opsec policies
• [x] Functional and performance test coverage has been expanded and maintained (if applicable)
• [ ] The [load test: (abort|warn)] keywords are applied (if applicable)
• [ ] Documentation has been updated
• [x] The PR title starts with the JIRA issue reference, format [DISCO-####], and has the same title