Release of ezdxf v1.3.4

[mozman]

Version 1.3.4 - 2024-10-15

• Release Notes v1.3.x
• NEW: How can I export dxf to pdf and keep the entities layered? #1154
  • support of layers for the PyMuPDF drawing-backend
  • contributed by @mbway
• BUGFIX: mline.py crashes trying to replace a Vec3 with ints instead of floats #1167
  • ezdxf.render.mline.virtual_entities() function crashes
  • contributed by @Kaapp
• BUGFIX: SVG not valid - wrong tag in svg.py #1171
  • replace invalid SVG tag <def> by <defs>