Update testcontainers and docker java for podman compatibility

Signed-off-by: Thomas Cooper <[email protected]>

Author: tomncooper

pom.xml

@@ -57,7 +57,8 @@ under the License.
         <junit4.version>4.13.2</junit4.version>
         <junit5.version>5.9.1</junit5.version>
         <assertj.version>3.23.1</assertj.version>
-        <testcontainers.version>1.17.2</testcontainers.version>
+        <testcontainers.version>1.21.2</testcontainers.version>
+		<docker-java.version>3.5.1</docker-java.version>
         <mockito.version>3.4.6</mockito.version>
         <powermock.version>2.0.9</powermock.version>
         <hamcrest.version>1.3</hamcrest.version>
@@ -499,7 +500,7 @@ under the License.
 			<dependency>
 				<groupId>com.github.docker-java</groupId>
 				<artifactId>docker-java-api</artifactId>
-				<version>3.2.13</version>
+				<version>${docker-java.version}</version>
 			</dependency>
 
 			<dependency>