Change the url for the bug tracker into the fusiondirectory manpages

Description

Manpages of fusiondirectory still refer the forge.fusiondirectory.org url for issues

FusionDirectory Version

1.2

Steps to Reproduce

1. Read manpages
2. look at the bug section

Expected behavior:

the url should be https://gitlab.fusiondirectory.org/fusiondirectory/fd/issues and https://gitlab.fusiondirectory.org/fusiondirectory/fd-plugins/issues

Actual behavior:

wrong information in manpages bugs section

Reproduces how often:

100%