Add Gerrit v3.10 as a supported version

Change-Id: If1dbf9c45a0765f14d9b09e9bda48ca84cd765e6
diff --git a/pages/site/support.md b/pages/site/support.md
index 2dd5d62..ad0f8a8 100644
--- a/pages/site/support.md
+++ b/pages/site/support.md
@@ -27,6 +27,7 @@
 
 | Version  | Support Status | Notes |
 |----------|----------------|-------|
+| 3.10     | Active         |       |
 | 3.9      | Active         |       |
 | 3.8      | Active         |       |
 | 3.7      | EOL            | [EOL since May 17, 2024](https://www.gerritcodereview.com/2024-02-13-gerrit-3.10-release-plan.html#end-of-life-for-gerrit-37x)|