#514 - Switch to latest Spring Data R2DBC snapshots.

This is to accommodate API refactorings in Spring Framework's transaction API.

r2dbc/example/src/test/java/example/springdata/r2dbc/basics/CustomerRepositoryIntegrationTests.java

@@ -49,8 +49,7 @@ public class CustomerRepositoryIntegrationTests {
 				"DROP TABLE IF EXISTS customer;",
 				"CREATE TABLE customer ( id SERIAL PRIMARY KEY, firstname VARCHAR(100) NOT NULL, lastname VARCHAR(100) NOT NULL);");
 
-		statements.forEach(it -> database.execute() //
-				.sql(it) //
+		statements.forEach(it -> database.execute(it) //
 				.fetch() //
 				.rowsUpdated() //
 				.as(StepVerifier::create) //

r2dbc/example/src/test/java/example/springdata/r2dbc/basics/TransactionalServiceIntegrationTests.java

@@ -52,8 +52,7 @@ public class TransactionalServiceIntegrationTests {
 				"DROP TABLE IF EXISTS customer;",
 				"CREATE TABLE customer ( id SERIAL PRIMARY KEY, firstname VARCHAR(100) NOT NULL, lastname VARCHAR(100) NOT NULL);");
 
-		statements.forEach(it -> database.execute() //
-				.sql(it) //
+		statements.forEach(it -> database.execute(it) //
 				.fetch() //
 				.rowsUpdated() //
 				.as(StepVerifier::create) //

r2dbc/pom.xml

@@ -21,7 +21,7 @@
 	</modules>
 
 	<properties>
-		<spring.version>5.2.0.M2</spring.version>
+		<spring-boot-data-r2dbc.version>0.1.0.BUILD-SNAPSHOT</spring-boot-data-r2dbc.version>
 	</properties>
 
 	<dependencies>
@@ -29,13 +29,13 @@
 		<dependency>
 			<groupId>org.springframework.boot.experimental</groupId>
 			<artifactId>spring-boot-starter-data-r2dbc</artifactId>
-			<version>0.1.0.M1</version>
+			<version>${spring-boot-data-r2dbc.version}</version>
 		</dependency>
 
 		<dependency>
 			<groupId>org.springframework.boot.experimental</groupId>
 			<artifactId>spring-boot-starter-r2dbc-h2</artifactId>
-			<version>0.1.0.M1</version>
+			<version>${spring-boot-data-r2dbc.version}</version>
 		</dependency>
 
 		<dependency>