Build against Spring Framework 5.3.13 snapshots.

See #1578

Author: schauder

parent/pom.xml

@@ -124,7 +124,7 @@
 		<rxjava2>2.2.21</rxjava2>
 		<rxjava3>3.0.13</rxjava3>
 		<slf4j>1.7.26</slf4j>
-		<spring>5.3.11</spring>
+		<spring>5.3.13-SNAPSHOT</spring>
 		<spring-hateoas>1.2.10</spring-hateoas>
 		<spring-plugin>2.0.0.RELEASE</spring-plugin>
 		<testcontainers>1.15.3</testcontainers>