Unify Neo4j dependency across repository

All parts of GDS are now source-aligned on the Neo4j version used.
This includes GDS plugin, GDS sessions, GDS remote-ops.
The version is the next-to-release version of Neo4j.

Author: Mats-SX

gradle/dependencies.gradle

@@ -1,9 +1,9 @@
-ext {
-    neo4jDefault = '2025.01.0-RC-SNAPSHOT'
+apply from: "$reposityRootDirectory/gradle/neo4j-version.gradle"
 
+ext {
     ver = [
         'log4j'                : '2.20.0',
-        'neo4j'                : properties.getOrDefault('neo4jOverride', neo4jDefault),
+        'neo4j'                : properties.getOrDefault('neo4jOverride', neo4jRCVersion),
         'scala'                : '2.13.11',
         'shiro'                : '2.0.1',
     ]