added RHEL 9.6 to supported OS table (#2446) (#2450)

This needs cherry picking to 5.26 LTS

Co-authored-by: Jenny Owen <[email protected]>

Author: NataliaIvakina

modules/ROOT/pages/installation/requirements.adoc

@@ -99,13 +99,13 @@ For cloud environments, and server-based, on-premise environments:
 .Software requirements for cloud environments, and server-based, on-premise environments
 [options="header"]
 |===
-| Operating System                                  | Supported JDK
-| *Amazon Linux 2023 AMI*                           | Amazon Corretto 21, and OracleJDK 21
-| *CentOS Stream 8, 9*                              | OpenJDK 21, OracleJDK 21, and ZuluJDK 21
-| *Debian 11, 12*                                   | OpenJDK 21, OracleJDK 21, and ZuluJDK 21
-| *Red Hat Enterprise Linux Server 8.10, 9.2, 9.4*  | Red Hat OpenJDK 21,  Oracle JDK 21, and ZuluJDK 21
-| *Ubuntu Server 22.04, 24.04*                      | OpenJDK 21, OracleJDK 21, and ZuluJDK 21
-| *Windows Server 2022, 2025*                       | OracleJDK 21, ZuluJDK 21
+| Operating System                                       | Supported JDK
+| *Amazon Linux 2023 AMI*                                | Amazon Corretto 21, and OracleJDK 21
+| *CentOS Stream 8, 9*                                   | OpenJDK 21, OracleJDK 21, and ZuluJDK 21
+| *Debian 11, 12*                                        | OpenJDK 21, OracleJDK 21, and ZuluJDK 21
+| *Red Hat Enterprise Linux Server 8.10, 9.2, 9.4, 9.6*  | Red Hat OpenJDK 21,  Oracle JDK 21, and ZuluJDK 21
+| *Ubuntu Server 22.04, 24.04*                           | OpenJDK 21, OracleJDK 21, and ZuluJDK 21
+| *Windows Server 2022, 2025*                            | OracleJDK 21, ZuluJDK 21
 |===
 
 For more information on Red Hat Enterprise Linux Life Cycle, refer to their link:https://access.redhat.com/support/policy/updates/errata/#RHEL8_and_9_Life_Cycle[official documentation].