Bump version for 20.16.0 release (#5020)

* bump version

* Fix delete confirmation HTML formatting

Author: sreichel

app/Mage.php

@@ -212,7 +212,7 @@ public static function getOpenMageVersionInfo(): array
         if (self::getOpenMageMajorVersion() === 20) {
             return [
                 'major'     => '20',
-                'minor'     => '15',
+                'minor'     => '16',
                 'patch'     => '0',
                 'stability' => '', // beta,alpha,rc
                 'number'    => '', // 1,2,3,0.3.7,x.7.z.92 @see https://semver.org/#spec-item-9

app/code/core/Mage/Adminhtml/Block/Notification/Grid/Renderer/Actions.php

@@ -32,7 +32,8 @@ public function render(Varien_Object $row)
                 $this->escapeHtml(Mage::helper('adminnotification')->__('Mark as Read')) . '</a> | '
             : '';
 
-        $deleteConfirmHtml = sprintf("deleteConfirm('%s', this.href)",
+        $deleteConfirmHtml = sprintf(
+            "deleteConfirm('%s', this.href)",
             Mage::helper('core')->jsQuoteEscape(Mage::helper('adminnotification')->__('Are you sure?')),
         );