chore(env): remove h2 2.1 and postgresql 13

Related to camunda/camunda-bpm-platform#4130

Author: mboskamp

content/introduction/supported-environments.md

@@ -46,15 +46,15 @@ Run Camunda in every Java-runnable environment. Camunda is supported with our QA
 * MySQL  8.0
 * Oracle 19c / 23ai
 * IBM DB2 11.5 (excluding IBM z/OS for all versions)
-* PostgreSQL 13 / 14 / 15 / 16
-* Amazon Aurora PostgreSQL compatible with PostgreSQL 13 / 14 / 15
+* PostgreSQL 14 / 15 / 16
+* Amazon Aurora PostgreSQL compatible with PostgreSQL 14 / 15
 * Microsoft SQL Server 2017 / 2019 / 2022 (see [Configuration Note]({{< ref "/user-guide/process-engine/database/mssql-configuration.md" >}}))
 * Microsoft Azure SQL with Camunda-supported SQL Server compatibility levels 
   (see [Configuration Note]({{< ref "/user-guide/process-engine/database/mssql-configuration.md#azure-sql-compatibility-levels-supported-by-camunda" >}})): 
   * SQL Server on Azure Virtual Machines
   * Azure SQL Managed Instance
   * Azure SQL Database
-* H2 2.1 (not recommended for [Cluster Mode]({{< ref "/introduction/architecture.md#clustering-model" >}}) - see [Deployment Note]({{< ref "/user-guide/process-engine/deployments.md" >}}))
+* H2 2.3 (not recommended for [Cluster Mode]({{< ref "/introduction/architecture.md#clustering-model" >}}) - see [Deployment Note]({{< ref "/user-guide/process-engine/deployments.md" >}}))
 
 ## Database Clustering & Replication