[emacs] Update 2 drones

Update async   to v1.9.3-12-g81dc034
Update ox-hugo to v0.8-444-g00186ff

diff --git a/lib/async b/lib/async
index d17c11e..81dc034 160000 (submodule)
--- a/lib/async
+++ b/lib/async
@@ -1 +1 @@
-Subproject commit d17c11e6082aa51f421bb037b828bdb15f405618
+Subproject commit 81dc034572e963550c5403a2b3c28047e46b4029

diff --git a/lib/ox-hugo b/lib/ox-hugo
index 849d648..00186ff 160000 (submodule)
--- a/lib/ox-hugo
+++ b/lib/ox-hugo
@@ -1 +1 @@
-Subproject commit 849d64815c935ace7db0954cd52644e6e948971a
+Subproject commit 00186ff8d7ae13fab6707b0e2e7665e055db558f