URL Cleanup

[spring-operator]

This commit updates URLs to prefer the https protocol. Redirects are not followed to avoid accidentally expanding intentionally shortened URLs (i.e. if using a URL shortener).

Fixed URLs

Fixed Success

These URLs were switched to an https URL with a 2xx status. While the status was successful, your review is still recommended.

• [ ] http://www.springframework.org/schema/beans/spring-beans.xsd with 21 occurrences migrated to:
  https://www.springframework.org/schema/beans/spring-beans.xsd (https result 200).
• [ ] http://www.springframework.org/schema/cloud/spring-cloud.xsd with 21 occurrences migrated to:
  https://www.springframework.org/schema/cloud/spring-cloud.xsd (https result 200).
• [ ] http://www.w3.org/2001/XMLSchema-instance with 21 occurrences migrated to:
  https://www.w3.org/2001/XMLSchema-instance (https result 200).
• [ ] http://www.springframework.org/schema/beans with 42 occurrences migrated to:
  https://www.springframework.org/schema/beans (https result 301).
• [ ] http://www.springframework.org/schema/cloud with 42 occurrences migrated to:
  https://www.springframework.org/schema/cloud (https result 301).