Update metadata and changelog to version 1.3.1

metadata.txt

@@ -3,7 +3,7 @@ name=Räumlicher Filter
 qgisMinimumVersion=3.22
 description=Spatial filters for PostGIS, GeoPackage and Spatialite layers
 description[de]=Räumliche Filter für PostGIS-, GeoPackage- und Spatialite-Layer
-version=1.3
+version=1.3.1
 author=WhereGroup GmbH (Peter Gipper, Mathias Gröbe, Johannes Kröger)
 [email protected]
 
@@ -17,6 +17,8 @@ hasProcessingProvider=no
 tags=python, filter, vector, postgis, performance
 
 changelog=
+    Version 1.3.1:
+    - Fix raster layer exception in curved geometry check
     Version 1.3:
     - Add warning message for layers with unsupported geometry type
     Version 1.2: