- Update to version 2.18.8:
See https://github.com/COVESA/dlt-daemon/releases/tag/v2.18.9.
- Drop CVE-2023-26257.patch: Fixed upstream.

rename dlt-libs to libsdlt2 to comply with guidelines and linter
Add missing rc links
Do not build on ix86 because pandoc is not available
Cleanup specfile
Fix rpmlint errors
Initial packaging