lbdb release 0.56

[0.56] - 2025-01-24

Changed

• Update aclocal.m4 using automake 1.16.5.
• Update config.guess, config.sub using autotools-dev 20220109.
• Update configure using the updated tools.
• Update mkinstalldirs, install-sh to 2020-11-14 version.
• Move modules from libdir to libexecdir.