ENGCOM-5731: Add number validation for sitemap file limits #24358

 - Merge Pull Request #24358 from ravi-chandra3197/magento2:patch-add-validation-sitemap-file-limits
 - Merged commits:
   1. dfdb152
   2. 6aad823
   3. 817a58a

Author: magento-engcom-team

app/code/Magento/Sitemap/etc/adminhtml/system.xml

@@ -83,10 +83,12 @@
                 <label>Sitemap File Limits</label>
                 <field id="max_lines" translate="label" type="text" sortOrder="1" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
                     <label>Maximum No of URLs Per File</label>
+                    <validate>validate-number validate-greater-than-zero</validate>
                 </field>
                 <field id="max_file_size" translate="label comment" type="text" sortOrder="2" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
                     <label>Maximum File Size</label>
                     <comment>File size in bytes.</comment>
+                    <validate>validate-number validate-greater-than-zero</validate>
                 </field>
             </group>
             <group id="search_engines" translate="label" type="text" sortOrder="6" showInDefault="1" showInWebsite="1" showInStore="1">