Merge pull request #9544 from lightningnetwork/elle-graphCacheBase

graph: move graph cache out of CRUD layer

docs/release-notes/release-notes-0.19.0.md

@@ -339,6 +339,11 @@ The underlying functionality between those two options remain the same.
     - [Abstract autopilot access](https://github.com/lightningnetwork/lnd/pull/9480)
     - [Abstract invoicerpc server access](https://github.com/lightningnetwork/lnd/pull/9516)
     - [Refactor to hide DB transactions](https://github.com/lightningnetwork/lnd/pull/9513)
+    - Move the [graph cache out of the graph
+      CRUD](https://github.com/lightningnetwork/lnd/pull/9544) layer.
+    - Move [topology
+      subscription](https://github.com/lightningnetwork/lnd/pull/9577) and
+      notification handling from the graph.Builder to the ChannelGraph.
 
 * [Golang was updated to
   `v1.22.11`](https://github.com/lightningnetwork/lnd/pull/9462).