legacy/libreoffice: FTBFS: version-pinned dependencies { mdds, liborcus } unavailable

Found on ppc64:

>>> libreoffice: Building user/libreoffice 6.4.0.3-r0 (using abuild 3.4.2-r2) started Mon, 21 Nov 2022 14:30:41 +0000
>>> libreoffice: Checking sanity of /root/packages/user/libreoffice/APKBUILD...
>>> libreoffice: Analyzing dependencies...
ERROR: unable to select packages:
  mdds-2.0.3-r0:
    breaks: .makedepends-libreoffice-20221121.143043[mdds~1.5]
    satisfies: liborcus-dev-0.17.2-r0[mdds]
               libixion-dev-0.17.0-r0[mdds]
  liborcus-dev-0.17.2-r0:
    breaks: .makedepends-libreoffice-20221121.143043[liborcus-dev~0.15]
>>> ERROR: libreoffice: builddeps failed

Commits:

• fa3bea1e
• 40a19895
• 1dce7c87

Bumped MDDS et al. to incompatible versions for LibreOffice 6.4.0.3.

LibreOffice may require a bump if the libraries are actually incompatible (as opposed to not being detected correctly).