Fleet side of #27902
# Checklist for submitter
If some of the following don't apply, delete the relevant line.
- [x] Changes file added for user-visible changes in `changes/`,
`orbit/changes/` or `ee/fleetd-chrome/changes`.
See [Changes
files](https://github.com/fleetdm/fleet/blob/main/docs/Contributing/guides/committing-changes.md#changes-files)
for more information.
- [x] Input data is properly validated, `SELECT *` is avoided, SQL
injection is prevented (using placeholders for values in statements)
## Testing
- [x] Added/updated automated tests
- [x] QA'd all new/changed functionality manually (CentOS 6, 7, 8,
Ubuntu 24)
<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit
* **New Features**
* Added support for tracking and displaying the last opened time for
software installed via DEB and RPM packages on Linux systems.
* **Documentation**
* Updated documentation to include new queries for retrieving last
opened timestamps of Linux software packages.
* **Tests**
* Introduced new tests to verify the correct processing and integration
of last opened timestamps for DEB and RPM software packages.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
