Bump version to 2.19.4.

Carthage

@@ -1 +1 @@
-Subproject commit a172c59aa282c4e0cb43c8134abc5b237d3ca885
+Subproject commit 0120ebf4e1a9d4b55481af894e6ca32aa8bcf2b7

Signal/Signal-Info.plist

@@ -38,7 +38,7 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>2.19.3</string>
+	<string>2.19.4</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleURLTypes</key>
@@ -55,7 +55,7 @@
 		</dict>
 	</array>
 	<key>CFBundleVersion</key>
-	<string>2.19.3.3</string>
+	<string>2.19.4.0</string>
 	<key>ITSAppUsesNonExemptEncryption</key>
 	<false/>
 	<key>LOGS_EMAIL</key>