Start building against Spring Framework 6.0.5 snapshots

This commit adapts to the changes made for
spring-projects/spring-framework#29885.

Closes gh-34152

Author: wilkinsona

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/observation/web/client/WebClientObservationConfigurationTests.java

@@ -146,7 +146,7 @@ private void validateWebClient(WebClient.Builder builder, TestObservationRegistr
 		webClient.get().uri("https://example.org/projects/{project}", "spring-boot").retrieve().toBodilessEntity()
 				.block(Duration.ofSeconds(30));
 		TestObservationRegistryAssert.assertThat(registry).hasObservationWithNameEqualTo("http.client.requests").that()
-				.hasLowCardinalityKeyValue("uri", "https://example.org/projects/{project}");
+				.hasLowCardinalityKeyValue("uri", "/projects/{project}");
 	}
 
 	private WebClient mockWebClient(WebClient.Builder builder) {

spring-boot-project/spring-boot-dependencies/build.gradle

@@ -1355,7 +1355,7 @@ bom {
 			]
 		}
 	}
-	library("Spring Framework", "6.0.4") {
+	library("Spring Framework", "6.0.5-SNAPSHOT") {
 		group("org.springframework") {
 			imports = [
 				"spring-framework-bom"