chore: bump version to 1.3.1 for reinstall

Version 1.2.3 was installed on EspoCRM but DirectAccessReport entity
was returning 404. Bumped to 1.3.1 to allow clean upgrade install.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

manifest.json

@@ -1,6 +1,6 @@
 {
     "name": "LegalAssistance",
-    "version": "1.3.0",
+    "version": "1.3.1",
     "acceptableVersions": [">=8.0.0"],
     "php": [">=8.1"],
     "releaseDate": "2026-04-06",