fix: elf guids

[bobbyg603]

Description

Elfy updated to v1.0.1 which includes fix for parsing ELF strings table in correct order. Adds offset to the .note.gnu.build-id bytes we use for the UUID since that's how readelf seems to work.

Checklist

• [x] Tested manually
• [x] Unit tests pass with no errors or warnings
• [x] Documentation updated (if applicable)
• [x] Reviewed by at least 1 other contributor