Build against Spring Framework 5.3.17 snapshots.

See #1669

Author: mp911de

parent/pom.xml

@@ -126,7 +126,7 @@
 		<rxjava3>3.0.13</rxjava3>
 		<smallrye-mutiny>1.1.2</smallrye-mutiny>
 		<slf4j>1.7.26</slf4j>
-		<spring>5.3.16</spring>
+		<spring>5.3.17-SNAPSHOT</spring>
 		<spring-hateoas>1.3.7</spring-hateoas>
 		<spring-plugin>2.0.0.RELEASE</spring-plugin>
 		<testcontainers>1.15.3</testcontainers>
@@ -214,7 +214,6 @@
 			<properties>
 				<jaxb.version>2.2.11</jaxb.version>
 				<java-activation.version>1.1.1</java-activation.version>
-				<maven.compiler.release>8</maven.compiler.release>
 			</properties>
 
 			<activation>