Upgrade to 3.5.7

kirby/composer.json

@@ -8,7 +8,7 @@
     "core"
   ],
   "homepage": "https://getkirby.com",
-  "version": "3.5.6",
+  "version": "3.5.7",
   "license": "proprietary",
   "authors": [
     {
@@ -27,7 +27,7 @@
     "laminas/laminas-escaper": "2.7.0",
     "michelf/php-smartypants": "1.8.1",
     "mustangostang/spyc": "0.6.3",
-    "phpmailer/phpmailer": "6.4.1",
+    "phpmailer/phpmailer": "6.5.0",
     "true/punycode": "2.1.1"
   },
   "config": {