URL Cleanup

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 1 occurrences migrated to:
  https://www.springframework.org/schema/beans/spring-beans.xsd ([https](https://www.springframework.org/schema/beans/spring-beans.xsd) result 200).

# Ignored
These URLs were intentionally ignored.

* http://www.springframework.org/schema/beans with 2 occurrences
* http://www.springframework.org/schema/integration with 2 occurrences
* http://www.springframework.org/schema/integration/flow with 2 occurrences
* http://www.springframework.org/schema/tool with 2 occurrences
* http://www.w3.org/2001/XMLSchema with 1 occurrences

src/main/resources/org/springframework/integration/flow/config/spring-integration-flow-1.0.xsd

@@ -8,7 +8,7 @@
 
 	<xsd:import namespace="http://www.springframework.org/schema/tool" />
 	<xsd:import namespace="http://www.springframework.org/schema/beans"
-		schemaLocation="http://www.springframework.org/schema/beans/spring-beans.xsd" />
+		schemaLocation="https://www.springframework.org/schema/beans/spring-beans.xsd" />
 	<xsd:import namespace="http://www.springframework.org/schema/integration" />
 
 	<xsd:element name="flow">