Update readme with 5.0 release version info. (#655)

* update readme with 5.0 version info.

README.md

@@ -1,5 +1,5 @@
 # Neo4j .NET Driver
-This is the official Neo4j .NET driver for connecting to Neo4j 4.0.0+ databases via in-house binary protocol Bolt.
+This is the official Neo4j driver for .NET.
 
 Resources to get you started:
 * [Nuget](https://www.nuget.org/profiles/Neo4j) for getting the latest driver.
@@ -12,6 +12,13 @@ This section is prepared for application developers who would like to use this d
 
 For users who wish to migrate from 1.7 series to 4.0, checkout our [migration guide](#migrating-from-17-to-40).
 
+## Versions
+Starting with 5.0, the Neo4j Drivers will be moving to a monthly release cadence. A minor version will be released on the last Friday of each month so as to maintain versioning consistency with the core product (Neo4j DBMS) which has also moved to a monthly cadence.
+
+As a policy, patch versions will not be released except on rare occasions. Bug fixes and updates will go into the latest minor version and users should upgrade to that. Driver upgrades within a major version will never contain breaking API changes(Excluding the Neo4j.Driver.Experimental namespace).
+
+See also: https://neo4j.com/developer/kb/neo4j-supported-versions/
+
 ### Getting the Driver
 
 The Neo4j driver is distributed under three packages:
@@ -281,4 +288,4 @@ The driver targets at .NET Standard 2.0. and .NET 5.0
 As a result, it can be compiled and run on linux machines after installing for example .NET Core 2.0 library.
 As for IDE, we recommend Rider for daily development.
 The integration tests require [boltkit](https://github.com/neo4j-contrib/boltkit) to be installed and accessible via command line.
-If any problem to start a Neo4j Server on your machine, you can start the test Bolt Server yourself at `localhost:7687` and then set environment variable `DOTNET_DRIVER_USING_LOCAL_SERVER=true`
+If any problem to start a Neo4j Server on your machine, you can start the test Bolt Server yourself at `localhost:7687` and then set environment variable `DOTNET_DRIVER_USING_LOCAL_SERVER=true`