Updated version number in doxygen and manifest (FreeRTOS#788)

Author: amazonKamath

docs/doxygen/config.doxyfile

@@ -48,7 +48,7 @@ PROJECT_NAME           = FreeRTOS-Plus-TCP
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = V3.0.0
+PROJECT_NUMBER         = V4.0.0-rc1
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

manifest.yml

@@ -1,5 +1,5 @@
 name : "FreeRTOS-Plus-TCP"
-version: "V3.0.0"
+version: "V4.0.0-rc1"
 description: "Thread safe FreeRTOS TCP/IP stack working on top of the FreeRTOS-Kernel to implement the TCP/IP protocol. Suitable for microcontrollers."
 license: "MIT"
 dependencies: