[emacs] update 11 drones

Update lib/company             to  0.9.9-8-g8576100
Update lib/doom-modeline       to v1.1.0-5-gee2aa11
Update lib/evil-nerd-commenter to  3.3.1-1-ga4ef4ec
Update lib/flycheck            to  31-194-gbaf96df4
Update lib/ivy                 to  0.10.0-538-gc897b56
Update lib/magit               to v2.90.1-66-g9d9290bc
Update lib/markdown-mode       to v2.3-205-g906e97d
Update lib/org                 to release_9.1.14-1065-gdc7477070
Update lib/pdf-tools           to v0.80-144-gc41694f
Update lib/proof-site          to v4.4-217-g9a25320a
Update lib/web-mode            to v16-47-g5da977b