Use api-spring-framework attribute for links to SpringProperties

See gh-26492

Author: sbrannen

src/docs/asciidoc/testing.adoc

@@ -1827,8 +1827,7 @@ constructor takes precedence over both `@TestConstructor` and the default mode.
 The default _test constructor autowire mode_ can be changed by setting the
 `spring.test.constructor.autowire.mode` JVM system property to `all`. Alternatively, the
 default mode may be set via the
-https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/core/SpringProperties.html[`SpringProperties`]
-mechanism.
+{api-spring-framework}/core/SpringProperties.html[`SpringProperties`] mechanism.
 
 If the `spring.test.constructor.autowire.mode` property is not set, test class
 constructors will not be automatically autowired.
@@ -4384,8 +4383,7 @@ maximum size is reached, a least recently used (LRU) eviction policy is used to
 close stale contexts. You can configure the maximum size from the command line or a build
 script by setting a JVM system property named `spring.test.context.cache.maxSize`. As an
 alternative, you can set the same property via the
-https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/core/SpringProperties.html[`SpringProperties`]
-mechanism.
+{api-spring-framework}/core/SpringProperties.html[`SpringProperties`] mechanism.
 
 Since having a large number of application contexts loaded within a given test suite can
 cause the suite to take an unnecessarily long time to run, it is often beneficial to