chore(release): bump version to 1.2.0

Prepare v1.2.0 tag after binary rename and recent feature merges.

Author: pablogventura

version.h.in

@@ -3,8 +3,8 @@
 #ifndef SCANTAILOR_VERSION_H_
 #define SCANTAILOR_VERSION_H_
 
-#define VERSION "1.1.3"
+#define VERSION "1.2.0"
 #define VERSION_QUAD ""  // Must be "x.x.x.x" or an empty string.
-#define PROJECT_VERSION 3
+#define PROJECT_VERSION 4
 
 #endif