Release 4.2.10-0 (lmn72)

• make nomodeset kernel parameter default (7a80e76).
• clean up remnants of 32bit linbo (#106).
• remove deprecated kernel signing stuff (1835659, a453cb0).
• change kernel and linbofs compression to xz (#109).
• change filename of linbofs64.lz to linbofs64 (9e42a3d, f8fffbb).
• fix network device order (b717732).
• fix linbo_gui on iso boot (4692beb).
• update stable kernel to 6.6.2 (a5e6449).
• update longterm kernel to 6.1.63 (82d0259).
• update legacy kernel to 5.15.139 (a431b2f).