[emacs] update 16 drones

lib/borg                    master                    v2.0.0-71-g759dc85
lib/company                 master                     0.9.6-57-g4fe0bec
lib/dante                   master                     1.4-77-g5cbf672
lib/dash                    master                     2.14.1-21-g6514359
lib/doom-modeline           master                     0.4.0-8-gbc06fad
lib/flycheck                master                     31-177-g253febbd
lib/ghub                    master                    v2.0.1-42-g1653e6f
lib/helm                    master                    v3.0-7-gf4e0168b
lib/highlight-indent-guides master                    e463564
lib/ivy                     master                     0.10.0-397-g196dd15
lib/lean-mode               master                    9d6b847
lib/magit                   master                     2.13.0-205-g0e818e9d
lib/markdown-mode           master                    v2.3-198-g30ae222
lib/notmuch                 master                    archive/debian/0.27-3-31-g8dcc38ce
lib/org                     master                    release_9.1.14-911-g98755f629
lib/ox-hugo                 master                    v0.8-391-gc211999