Update link for memory requirements to point to latest release (#25)

Author: aggarw13

README.md

@@ -14,7 +14,7 @@ Besides, in an environment with poor connectivity, a client can get disconnected
 A backoff strategy helps the client to conserve battery by not repeatedly attempting reconnections when they are
 unlikely to succeed.
 
-See memory requirements for this library [here](https://docs.aws.amazon.com/embedded-csdk/202012.00/lib-ref/libraries/standard/backoffAlgorithm/docs/doxygen/output/html/index.html#backoff_algorithm_memory_requirements).
+See memory requirements for this library [here](https://docs.aws.amazon.com/embedded-csdk/202103.00/lib-ref/libraries/standard/backoffAlgorithm/docs/doxygen/output/html/index.html#backoff_algorithm_memory_requirements).
 
 **backoffAlgorithm v1.0.0 [source code](https://github.com/FreeRTOS/backoffAlgorithm/tree/v1.0.0/source) is part of the [FreeRTOS 202012.00 LTS](https://github.com/FreeRTOS/FreeRTOS-LTS/tree/202012.00-LTS) release.**