Polishing.

Update Spring Framework documentation URLs.

See gh-838

Author: mp911de

pom.xml

@@ -601,16 +601,14 @@
 						<doclint>none</doclint>
 						<links>
 							<link>
-								https://docs.spring.io/spring/docs/current/javadoc-api
+								https://docs.spring.io/spring-framework/docs/current/javadoc-api
 							</link>
 							<link>
 								https://docs.spring.io/spring-data/commons/docs/current/api
 							</link>
 							<link>
 								https://docs.spring.io/spring-data/keyvalue/docs/current/api
 							</link>
-							<link>https://docs.spring.io/spring/docs/current/javadoc-api
-							</link>
 							<link>
 								https://docs.spring.io/spring-security/site/docs/current/api
 							</link>

src/main/antora/modules/ROOT/pages/vault/propertysource.adoc

@@ -127,4 +127,4 @@ component-scanning, the ordering is difficult to predict.
 In such cases - and if overriding is important - it is recommended that the
 user fall back to using the programmatic PropertySource API.
 See https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/core/env/ConfigurableEnvironment.html[`ConfigurableEnvironment`] and
-https://docs.spring.io/spring/docs/current/javadoc-api/org/springframework/core/env/MutablePropertySources.html[`MutablePropertySources`] for details.
+https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/core/env/MutablePropertySources.html[`MutablePropertySources`] for details.