Merge branch '32-add-update-section-in-the-manual-for-1-2-3' into 'master'

Resolve "Add update section in the manual for 1.2.3"

Closes #32

See merge request fusiondirectory/user-manual!29

(cherry picked from commit a1a0cc49)

aa2df7b7  fix(version) Add update section in the manual for 1.2.3

source/update/supported/1.2.2-to-1.2.3.rst

-Migrate FusionDirectory from 1.2.1 to 1.2.2
+Migrate FusionDirectory from 1.2.2 to 1.2.3
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 New Depot Configuration