update to kirby 4.8

kirby/config/fields/mixins/min.php

@@ -0,0 +1,22 @@
+<?php
+
+return [
+	'computed' => [
+		'min' => function () {
+			// set min to at least 1, if required
+			if ($this->required === true) {
+				return $this->min ?? 1;
+			}
+
+			return $this->min;
+		},
+		'required' => function () {
+			// set required to true if min is set
+			if ($this->min) {
+				return true;
+			}
+
+			return $this->required;
+		}
+	]
+];