feat: add new agent version with runtime [red-00]

Author: miliberlin

platform/private-locations/agent-configuration.mdx

@@ -183,6 +183,7 @@ Each Checkly Agent only supports specific [runtimes](/platform/runtimes/overview
 
 | Agent version | Runtimes |
 |---------------|----------|
+| 7.0.0 | 2026.04, 2025.04 |
 | 6.0.0 | 2025.04, 2024.09 |
 | 5.0.0 | 2025.04 |
 | 4.0.0 | 2024.09 |