Update externals

diff --git a/externals/JsShrink b/externals/JsShrink
index 6b632530f5947184d59fbfb7204ec9afa7d67c12..18dcc3849adf9b6254d268d6cb01829a39aacc12 160000 (submodule)
--- a/externals/JsShrink
+++ b/externals/JsShrink
@@ -1 +1 @@
-Subproject commit 6b632530f5947184d59fbfb7204ec9afa7d67c12
+Subproject commit 18dcc3849adf9b6254d268d6cb01829a39aacc12

diff --git a/externals/PhpShrink b/externals/PhpShrink
index 87fc12dc3bf8f4e2e1dc3fa11fccaf3060b34d61..f1642d7194aeef6c3d83f94c9d4df9d6fec9f67f 160000 (submodule)
--- a/externals/PhpShrink
+++ b/externals/PhpShrink
@@ -1 +1 @@
-Subproject commit 87fc12dc3bf8f4e2e1dc3fa11fccaf3060b34d61
+Subproject commit f1642d7194aeef6c3d83f94c9d4df9d6fec9f67f

diff --git a/externals/jush b/externals/jush
index 0f58bfd693c6d3cade3c1dab8dbaceec43a174c2..a80237e93ea6f91ff9008500333dd442c017ec99 160000 (submodule)
--- a/externals/jush
+++ b/externals/jush
@@ -1 +1 @@
-Subproject commit 0f58bfd693c6d3cade3c1dab8dbaceec43a174c2
+Subproject commit a80237e93ea6f91ff9008500333dd442c017ec99