Update History.txt

Signed-off-by: Gaurav Aggarwal <[email protected]>

Author: aggarg

History.txt

@@ -1,6 +1,8 @@
 Documentation and download available at https://www.FreeRTOS.org/
 
-Changes between FreeRTOS V10.4.3 and FreeRTOS V10.4.3 LTS Patch 1
+Changes between FreeRTOS V10.4.3 and FreeRTOS V10.4.3 LTS Patch 1 released September 10 2021
+
+	See https://www.FreeRTOS.org/FreeRTOS-V10.4.5.html
 
 	+ ARMv8-M secure-side port:  Tasks that call secure functions from the
 	  non-secure side of an ARMv8-M MCU (ARM Cortex-M23 and Cortex-M33) have two