Update voxelpaint.appdata.xml

Author: mrbid

flatpak/voxelpaint.appdata.xml

@@ -31,7 +31,7 @@
 	</screenshots>
 	<url type="homepage">https://github.com/mrbid/VoxelPaint</url>
 	<releases>
-		<release version="1.7" date="2023-25-13" />
+		<release version="1.7" date="2023-07-25" />
 	</releases>
 	<content_rating type="oars-1.0" />
 </application>