[emacs] update 6 drones

Update lib/haskell-mode to v13.14-1200-g4aa8875
Update lib/helm         to v3.0-51-gb69eaf7b
Update lib/ivy          to  0.10.0-461-g69856b6
Update lib/magit        to v2.90.1-20-g01240e9b
Update lib/ox-hugo      to v0.8-438-gdaf7744
Update lib/slack        to  186b465

diff --git a/lib/haskell-mode b/lib/haskell-mode
index 6a70c18..4aa8875 160000 (submodule)
--- a/lib/haskell-mode
+++ b/lib/haskell-mode
@@ -1 +1 @@
-Subproject commit 6a70c1858c7d505ba23185e209ef7eacf703ed8f
+Subproject commit 4aa88752ab23bca3ded36a9c9fd9c34cffbb129b

diff --git a/lib/helm b/lib/helm
index fa119eb..b69eaf7 160000 (submodule)
--- a/lib/helm
+++ b/lib/helm
@@ -1 +1 @@
-Subproject commit fa119eb9c79fb444a8ffd865a894380682f31840
+Subproject commit b69eaf7b4bc511fba378309384a36c0217727d83

diff --git a/lib/ivy b/lib/ivy
index 1801927..69856b6 160000 (submodule)
--- a/lib/ivy
+++ b/lib/ivy
@@ -1 +1 @@
-Subproject commit 18019278d2b849b1287d299a894a4b98c9707ba2
+Subproject commit 69856b62de8d1f148ff2a0f1d0a5543171ba5b50

diff --git a/lib/magit b/lib/magit
index 36d89c8..01240e9 160000 (submodule)
--- a/lib/magit
+++ b/lib/magit
@@ -1 +1 @@
-Subproject commit 36d89c88e1337ec2b33c75c3d426289c66f86b10
+Subproject commit 01240e9bda085566c528f921a5f5ab501864e0ef

diff --git a/lib/ox-hugo b/lib/ox-hugo
index 7fb284e..daf7744 160000 (submodule)
--- a/lib/ox-hugo
+++ b/lib/ox-hugo
@@ -1 +1 @@
-Subproject commit 7fb284ec4b7f47ff1286598220650c5b24b56b45
+Subproject commit daf7744b977a9298e7880c9dcbb62cc6406b6cf6

diff --git a/lib/slack b/lib/slack
index 19af9a3..186b465 160000 (submodule)
--- a/lib/slack
+++ b/lib/slack
@@ -1 +1 @@
-Subproject commit 19af9a367b55ca79377058f4d9b5776dd98a9f99
+Subproject commit 186b4653c55c08efa3ff9fb9bde038576ddff9f6