Merge pull request #1449 from SpiNNakerManchester/dependabot/maven/spring.boot.version-4.0.4

Bump spring.boot.version from 4.0.3 to 4.0.4

Author: rowleya

pom.xml

@@ -41,7 +41,7 @@ limitations under the License.
 		<log4j.version>2.25.3</log4j.version>
 
 		<spring.version>7.0.6</spring.version>
-		<spring.boot.version>4.0.3</spring.boot.version>
+		<spring.boot.version>4.0.4</spring.boot.version>
 		<!--
 		DKF: if you update spring.boot.version, also update the annotation
 		processor binding in Eclipse for SpiNNaker-allocserv: