Improve CI/CDs

### 📝 Description of the feature

Requests to meet the criteria for pydynamicreporting to be considered a mature pyansys repository

- Use ruff as linter
- single code owner
- improve CI/CD (mandatory Ansys action, pin versions)

### 💡 Steps for implementing the feature

_No response_

### 🔗 Useful links and references

_No response_

No files, tests, or entry points are named. Start by reviewing the repository's existing CI/CD configuration and the maturity criteria listed in the issue; done means Ruff is used, one code owner is configured, the mandatory Ansys action is present, and dependency or action versions are pinned.

Written by the indexing model from the issue text.