devel/objfw: update to 1.0.5

ObjFW 1.0.4 -> ObjFW 1.0.5, 2023-11-05

• Fixes the calculation of the extra alignment in OFAllocObject()
• Fixes +[OFSystemInfo networkInterfaces] on OpenBSD and Windows 98
• Fixes OFSocketAddressString() for AppleTalk addresses
• Uses GetModuleHandle() instead of LoadLibrary() where possible on Windows
• Disables tests for global blocks on Win64 due to broken compilers
• Adds PGP keys to verify tarballs and commits in the code repository

PR: 274924
MFH: 2023Q4
(cherry picked from commit be9a449a89651555ea5193c93a3f05cb6c870a85)