Upgrade to R2DBC Arabba SR10.

Closes #597

pom.xml

@@ -30,12 +30,12 @@
 		<degraph-check.version>0.1.4</degraph-check.version>
 		<postgresql.version>42.2.5</postgresql.version>
 		<mysql.version>8.0.21</mysql.version>
-		<r2dbc-spi-test.version>0.8.0.RELEASE</r2dbc-spi-test.version>
+		<r2dbc-spi-test.version>0.8.5.RELEASE</r2dbc-spi-test.version>
 		<mssql-jdbc.version>7.1.2.jre8-preview</mssql-jdbc.version>
 		<mariadb-jdbc.version>2.5.4</mariadb-jdbc.version>
-		<r2dbc-releasetrain.version>Arabba-SR9</r2dbc-releasetrain.version>
+		<r2dbc-releasetrain.version>Arabba-SR10</r2dbc-releasetrain.version>
 		<reactive-streams.version>1.0.3</reactive-streams.version>
-		<netty>4.1.52.Final</netty>
+		<netty>4.1.63.Final</netty>
 	</properties>
 
 	<inceptionYear>2018</inceptionYear>