Update supported linux distros FAQ (#73)

* Update supported Linux distribution doc

Author: pskrbasu

docs/faq/index.md

@@ -17,15 +17,15 @@ We welcome users to create and share open-source container definitions for Power
 
 ## What Linux distributions and versions are officially supported by Powerpipe?
 
-Powerpipe requires glibc version 2.29 or higher. It will not function on systems with an older glibc version.
+Powerpipe requires glibc version 2.29 or higher and libstdc++ (GCC runtime) with symbol version GLIBCXX_3.4.30 or higher. It will not function on systems with an older glibc or an older libstdc++ runtime.
 
-Powerpipe is tested on the latest versions of Linux LTS distributions. While it may work on other distributions with the required glibc version, official support and testing are limited to the following:
+Powerpipe is tested on the latest versions of Linux LTS distributions. While it may work on other distributions with the required glibc and libstdc++ versions, official support and testing are limited to the following:
 
 
 | Distribution       | Version | glibc Version | Notes                                                   |
 |--------------------|---------|---------------|---------------------------------------------------------|
 | Ubuntu LTS         | 24.04   | 2.39          |                                                         |
 | Ubuntu             | 22      | 2.35          | To cover Windows WSL2, which may be behind              |
-| CentOS (Stream)    | 9       | 2.34          |                                                         |
-| RHEL               | 9       | 2.34          |                                                         |
+| CentOS (Stream)    | 10      | 2.39          |                                                         |
+| RHEL               | 10      | 2.39          |                                                         |
 | Amazon Linux       | 2023    | 2.34          |                                                         |