Updated project version support

Author: haphan

README.md

@@ -7,26 +7,45 @@
 `php-opencloud/openstack` is an SDK which allows PHP developers to easily connect to OpenStack APIs in a simple and 
 idiomatic way. This binding is specifically designed for OpenStack APIs, but other provider SDKs are available. Multiple 
 OpenStack services, and versions of services, are supported.
-
+ 
 ## Links
 
 * [Official documentation](https://php-openstack-sdk.readthedocs.io/en/latest/)
 * [Reference documentation](http://refdocs.os.php-opencloud.com)
 * [Contributing guide](/CONTRIBUTING.md)
 * [Code of Conduct](/CODE_OF_CONDUCT.md)
 
-## Getting help
+
+## We need your help :smiley: 
+
+We invest a large amount of work to ensure this SDK works with many OpenStack distributions via running end-to-end 
+integration tests with a real cluster.
+
+If you or your organization are in a position that can help us access popular distributions as listed below, do reach 
+out by open an issue in github.
+
+| Distribution        |                         |
+|---------------------|-------------------------|
+|OpenStack RDO        | :white_check_mark:      |
+|Red Hat OpenStack    | Need sponsor!    |
+|OVH OpenStack        | Need sponsor!    |
+|SUSE OpenStack       | Need sponsor!    |
+|Canonical OpenStack  | Need sponsor!    |
+|RackSpace OpenStack  | Need sponsor!    |
+
+## Join the community
 
 - Meet us on Slack: https://phpopencloud.slack.com ([Get your invitation](https://launchpass.com/phpopencloud))
 - Report an issue: https://github.com/php-opencloud/openstack/issues
 
-
 ## Version Guidance
 
-| Version   | Status                      | PHP Version   | End of life             |
+| Version   | Status                      | PHP Version   | Support until           |
 | --------- | --------------------------- | ------------- | ----------------------- |
-| `^3.0`    | Latest                      | `>=7.0`       | March 2020              |
-| `^2.0`    | Maintained (Bug fixes only) | `>=7.0,<7.2`  | March 2018              |
+| `^3.1`    | Latest                      | `>=7.2.5`     | Oct 2023                |
+| `^3.0`    | Bug fixed only              | `>=7.0`       | Oct 2020                |
+| `^2.0`    | EOL (Bug fixes only)        | `>=7.0,<7.2`  | March 2018              |
+
 
 ## Upgrade from 2.x to 3.x