Raise memory limit too high for github actions

Author: JohT

scripts/templates/template-neo4j.conf

@@ -6,8 +6,8 @@
 dbms.security.procedures.unrestricted=apoc.*,gds.*
 
 # Memory: Java Heap Size
-server.memory.heap.initial_size=4g
-server.memory.heap.max_size=4g
+server.memory.heap.initial_size=8g
+server.memory.heap.max_size=8g
 
 # Memory: The amount of memory to use for mapping the store files.
 server.memory.pagecache.size=1g