[emacs] update 3 drones

Update lib/doom-modeline to v1.1.0-3-g14ac6dd
Update lib/ivy           to  0.10.0-526-g7e0fd2e
Update lib/proof-site    to v4.4-212-ga921439a

diff --git a/lib/doom-modeline b/lib/doom-modeline
index 2be5f28..14ac6dd 160000 (submodule)
--- a/lib/doom-modeline
+++ b/lib/doom-modeline
@@ -1 +1 @@
-Subproject commit 2be5f281845824d4a1dba9706a7ae1afa86286d0
+Subproject commit 14ac6ddbeb411665dc7058a696a2bc7f94e22846

diff --git a/lib/ivy b/lib/ivy
index 13df2a3..7e0fd2e 160000 (submodule)
--- a/lib/ivy
+++ b/lib/ivy
@@ -1 +1 @@
-Subproject commit 13df2a3219513a49b77bbcf643b242a45f480d03
+Subproject commit 7e0fd2e85c519e528a2afc50cf9754866eaf27cb

diff --git a/lib/proof-site b/lib/proof-site
index 05df29f..a921439 160000 (submodule)
--- a/lib/proof-site
+++ b/lib/proof-site
@@ -1 +1 @@
-Subproject commit 05df29f7ff065d8da45b81691c602b6cf075e4a0
+Subproject commit a921439a4eb5b0d96182748e779c78e2f6a41a5f