[emacs] update 3 drones

lib/helm                 master                    v3.0
lib/ox-hugo              master                    v0.8-332-g8e244fa
lib/projectile           master                    v1.0.0-23-g62ef2ae

diff --git a/lib/helm b/lib/helm
index c0449b9..757263f 160000 (submodule)
--- a/lib/helm
+++ b/lib/helm
@@ -1 +1 @@
-Subproject commit c0449b960ade2af56f7fc56569f9c213784ce19f
+Subproject commit 757263f9332d2d338ac3619f50547ef2f9d2bd9e

diff --git a/lib/ox-hugo b/lib/ox-hugo
index 35b7e1a..8e244fa 160000 (submodule)
--- a/lib/ox-hugo
+++ b/lib/ox-hugo
@@ -1 +1 @@
-Subproject commit 35b7e1ae3b92061d088d4f90814afefd1dbadf3c
+Subproject commit 8e244faf5c736b836dc8be53f197cbac7f5c6961

diff --git a/lib/projectile b/lib/projectile
index a4b447d..62ef2ae 160000 (submodule)
--- a/lib/projectile
+++ b/lib/projectile
@@ -1 +1 @@
-Subproject commit a4b447d980b10cbb8d175d64e4305b4504c03d83
+Subproject commit 62ef2aea33600b0b992905a37eff6febf30268d6