Bumped Spring version to 6.1.20 due to CVE-2024-38820.

Change-Id: I3b8cf9af5f48940cccfce2bb0155e0333f54ca39
diff --git a/Changes b/Changes
index 35f4b8f..7cc7c1f 100644
--- a/Changes
+++ b/Changes
@@ -1,4 +1,4 @@
-# version 0.78
+# version 0.78-SNAPSHOT
 
 - Renamed free resource to resource.
 - Add required access to resources.
diff --git a/pom.xml b/pom.xml
index 82871bf..ac7c17f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 		<jersey.version>3.1.5</jersey.version>
 		<hibernate.ehcache.version>6.0.0.Alpha7</hibernate.ehcache.version>
 		<hibernate.version>6.1.7.Final</hibernate.version>
-		<spring.version>6.1.14</spring.version>
+		<spring.version>6.1.20</spring.version>
 		<!-- spring6.version is used in jersey and defined here 
 		to make sure that jersey uses the correct spring version-->
 		<spring6.version>${spring.version}</spring6.version>