Updated CHANGELOG.md and version-compatibility.md

Author: zonia3000

CHANGELOG.md

@@ -1,6 +1,6 @@
 *Note: Numbers like (\#123) point to closed Pull Requests on the fractal-web repository.*
 
-# Unreleased
+# 1.13.1
 
 * Tasks table improvements (\#677):
     * Handled install instructions (\#677);

docs/version-compatibility.md

@@ -4,6 +4,7 @@ The following table shows which `fractal-server` versions are compatible with wh
 
 | fractal-web | fractal-server |
 |-------------|----------------|
+| 1.13.1      | 2.10.1         |
 | 1.13.0      | 2.10.0         |
 | 1.12.0      | 2.10.0         |
 | 1.11.2      | 2.9.2          |