Schema Pro 2.8.1

# New: Schema Pro now includes translations for Dutch, French, Spanish, and German enhancing multilingual accessibility.
# New: Added NPS Survey to gather your valuable feedback for Schema Pro.
# Improvement: Enhanced the codebase to strengthen security measures.
# Improvement: Added review fields to the course schema.
# Improvement: Added Pros and Cons fields to the product schema.
# Improvement: Updated Job Posting schema to support multiple job types with a multiselect dropdown.

# Improvement: Updated the screenshot for the tooltip of the "Enable SiteLinks Search Box" feature.
# Fix: Content URL issue in Image License.
# Fix: Issue with shippingDetails in Product Schema.
# Fix: Updated code to handle unparsable structured data error.

# Fix: Added error handling checks before calling `render` method to prevent `TypeError`.