Add ChangeLog entry for 1.4.0
Add ChangeLog entry for 1.4.0 (nixica 0.9.0 update). The changelog was missing from the previous MRs (!14 (merged), !15 (merged)) which were already merged.
Add ChangeLog entry for 1.4.0 (nixica 0.9.0 update). The changelog was missing from the previous MRs (!14 (merged), !15 (merged)) which were already merged.