[emacs] update 4 drones

[~bandali/configs] / lib / slack

diff --git a/lib/slack b/lib/slack
index 17928ce..2ef44cc 160000 (submodule)
--- a/lib/slack
+++ b/lib/slack
@@ -1 +1 @@
-Subproject commit 17928ce6e7a0e7f2ab99755f7991a2b399df8eef
+Subproject commit 2ef44ccd64c5eaed036c6490651b3439bab83c67