Update release-policy.md

Author: amyblais

source/about/release-policy.md

@@ -61,7 +61,7 @@ gantt
     v10.4                  :done,  2025-01-16, 2025-04-15
     v10.5 & Desktop App v5.11 Extended Support :crit,    2025-02-16, 2025-11-15
     v10.6                  :done, 2025-03-16, 2025-06-15
-    v10.7                  :active, 2025-04-16, 2025-07-15
+    v10.7                  :done, 2025-04-16, 2025-07-15
     v10.8                  :active, 2025-05-16, 2025-08-15
     v10.9                  :active, 2025-06-16, 2025-09-15
     v10.10                 :active, 2025-07-16, 2025-10-15