Polish "Rename 'spring-boot-tx' module to 'spring-boot-transaction'"

See gh-47603

configuration-metadata/spring-boot-configuration-metadata-changelog-generator/build.gradle

@@ -125,7 +125,7 @@ def dependenciesOf(String version) {
 			"spring-boot-testcontainers",
 			"spring-boot-thymeleaf",
 			"spring-boot-tomcat",
-			"spring-boot-transaction",
+			"spring-boot-tx",
 			"spring-boot-validation",
 			"spring-boot-web-server",
 			"spring-boot-webclient",
@@ -154,8 +154,12 @@ def dependenciesOf(String version) {
 			]
 		}
 		if (version.equals("4.0.0-RC1")) {
+			modules -= [
+				"spring-boot-tx"
+			]
 			modules += [
 				"spring-boot-batch-jdbc",
+				"spring-boot-transaction",
 				"spring-boot-restdocs"
 			]
 		}