chore: Add note about Semver implications for dependency updates (#3740)

Author: mattcreaser

README.md

@@ -56,6 +56,10 @@ of the library.
 
 Applications that evaluate all members of an enumeration using a `switch` statement can add a `default` case to prevent new cases from causing compile warnings or errors.
 
+#### Semantic versioning and dependencies update
+
+We follow [semantic versioning for updating our dependencies](https://semver.org/#what-should-i-do-if-i-update-my-own-dependencies-without-changing-the-public-api).
+
 ## License
 
 This library is licensed under the Apache 2.0 License.