Upgrade to Liquibase 4.20.0

Closes gh-34578

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

@@ -765,7 +765,7 @@ bom {
 			]
 		}
 	}
-	library("Liquibase", "4.19.0") {
+	library("Liquibase", "4.20.0") {
 		group("org.liquibase") {
 			modules = [
 				"liquibase-cdi",

spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-liquibase/src/test/java/smoketest/liquibase/SampleLiquibaseApplicationTests.java

@@ -58,11 +58,9 @@ class SampleLiquibaseApplicationTests {
 		assertThat(output).contains("Successfully acquired change log lock")
 			.contains("Creating database history table with name: PUBLIC.DATABASECHANGELOG")
 			.contains("Table person created")
-			.contains("ChangeSet classpath:/db/changelog/db.changelog-master.yaml::1::"
-					+ "marceloverdijk ran successfully")
+			.contains("ChangeSet db/changelog/db.changelog-master.yaml::1::" + "marceloverdijk ran successfully")
 			.contains("New row inserted into person")
-			.contains("ChangeSet classpath:/db/changelog/"
-					+ "db.changelog-master.yaml::2::marceloverdijk ran successfully")
+			.contains("ChangeSet db/changelog/" + "db.changelog-master.yaml::2::marceloverdijk ran successfully")
 			.contains("Successfully released change log lock");
 	}