[MAINTENANCE] Missing or outdated SECURITY.md file in ansys/pyedb-core

Please add the SECURITY.md file to the repository. The file might either be missing or is an outdated version of the expected file.

See [here](https://github.com/ansys-internal/pyansys-maintenance-automation/blob/main/scripts/file_references) an up-to-date reference to a properly formatted file.

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This issue was created by a bot. If you have any questions, please ping the PyAnsys Core team for assistance. To ping the team write a comment in this issue with the following mention: `@ansys/pyansys-core`.

If you want this repository to be excluded from this automated maintenance process, please let us know by [filling in the opt-out request form](https://github.com/ansys-internal/pyansys-maintenance-automation/issues/new?labels=&projects=&template=opt-out.yml&title=Request+to+opt-out+from+automated+maintenance+for+ansys%2Fpyedb-core).

Start by comparing the repository's SECURITY.md, if present, with the up-to-date reference in the linked pyansys-maintenance-automation file_references script. Add or update SECURITY.md to match the expected format, then verify that the repository contains the current security policy file.

Written by the indexing model from the issue text.