Use new call syntax

see https://neo4j.com/docs/cypher-manual/current/subqueries/call-subquery

Author: FlorentinD

doc/modules/ROOT/pages/graph-analytics-serverless.adoc

@@ -350,7 +350,7 @@ gds.run_cypher(
 G, result = gds.graph.project(
     graph_name="my-graph",
     query="""
-    CALL {
+    CALL () {
         MATCH (u1:User)
         OPTIONAL MATCH (u1)-[r:KNOWS]->(u2:User)
         RETURN u1 AS source, r AS rel, u2 AS target, {} AS sourceNodeProperties, {} AS targetNodeProperties
@@ -408,7 +408,7 @@ gds.run_cypher(
 G, result = gds.graph.project(
     graph_name="my-graph",
     query="""
-    CALL {
+    CALL () {
         MATCH (u1:User)
         OPTIONAL MATCH (u1)-[r:KNOWS]->(u2:User)
         RETURN u1 AS source, r AS rel, u2 AS target, {} AS sourceNodeProperties, {} AS targetNodeProperties

doc/modules/ROOT/pages/tutorials/graph-analytics-serverless-self-managed.adoc

@@ -224,7 +224,7 @@ algorithms, although it is note done in this notebook.
 G, result = gds.graph.project(
     "people-and-fruits",
     """
-    CALL {
+    CALL () {
         MATCH (p1:Person)
         OPTIONAL MATCH (p1)-[r:KNOWS]->(p2:Person)
         RETURN

doc/modules/ROOT/pages/tutorials/graph-analytics-serverless.adoc

@@ -216,7 +216,7 @@ although we do not do that in this notebook.
 G, result = gds.graph.project(
     "people-and-fruits",
     """
-    CALL {
+    CALL () {
         MATCH (p1:Person)
         OPTIONAL MATCH (p1)-[r:KNOWS]->(p2:Person)
         RETURN

examples/graph-analytics-serverless-self-managed.ipynb

@@ -286,7 +286,7 @@
     "G, result = gds.graph.project(\n",
     "    \"people-and-fruits\",\n",
     "    \"\"\"\n",
-    "    CALL {\n",
+    "    CALL () {\n",
     "        MATCH (p1:Person)\n",
     "        OPTIONAL MATCH (p1)-[r:KNOWS]->(p2:Person)\n",
     "        RETURN\n",

examples/graph-analytics-serverless.ipynb

@@ -278,7 +278,7 @@
     "G, result = gds.graph.project(\n",
     "    \"people-and-fruits\",\n",
     "    \"\"\"\n",
-    "    CALL {\n",
+    "    CALL () {\n",
     "        MATCH (p1:Person)\n",
     "        OPTIONAL MATCH (p1)-[r:KNOWS]->(p2:Person)\n",
     "        RETURN\n",