Log Message:
misc/libreoffice6-bin: update to 6.2.7.

Note Linux 32 bit (x86) binaries are no longer released for the
LibreOffice 6.3.x branch so 6.2.x is still used for libreoffice6-bin.

Many upstream changes since 6.2.4 so not bother to quote whole lists
in this commit log:
 https://wiki.documentfoundation.org/Releases/6.2.5/RC1
 https://wiki.documentfoundation.org/Releases/6.2.5/RC2
 https://wiki.documentfoundation.org/Releases/6.2.6/RC1
 https://wiki.documentfoundation.org/Releases/6.2.6/RC2
 https://wiki.documentfoundation.org/Releases/6.2.7/RC1