Upgrade to R2DBC Pool 0.9 RC1.

[#233]

Signed-off-by: Mark Paluch <mpaluch@vmware.com>

Author: mp911de

pom.xml

@@ -37,16 +37,16 @@
         <hikari-cp.version>4.0.3</hikari-cp.version>
         <java.version>1.8</java.version>
         <jsr305.version>3.0.2</jsr305.version>
-        <junit.version>5.8.1</junit.version>
-        <jmh.version>1.32</jmh.version>
+        <junit.version>5.8.2</junit.version>
+        <jmh.version>1.33</jmh.version>
         <mbr.version>0.2.0.RELEASE</mbr.version>
-        <logback.version>1.2.3</logback.version>
-        <mockito.version>4.0.0</mockito.version>
+        <logback.version>1.2.7</logback.version>
+        <mockito.version>4.1.0</mockito.version>
         <mssql-jdbc.version>9.5.0.jre8-preview</mssql-jdbc.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <r2dbc-spi.version>0.9.0.RELEASE</r2dbc-spi.version>
-        <r2dbc-pool.version>0.9.0.M2</r2dbc-pool.version>
+        <r2dbc-pool.version>0.9.0.RC1</r2dbc-pool.version>
         <reactor.version>2020.0.13</reactor.version>
         <spring-framework.version>5.3.13</spring-framework.version>
         <testcontainers.version>1.16.2</testcontainers.version>
@@ -254,7 +254,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-enforcer-plugin</artifactId>
-                <version>3.0.0-M3</version>
+                <version>3.0.0</version>
                 <executions>
                     <execution>
                         <id>enforce-no-snapshots</id>