docs: updates code examples in neo4j_cypher.ipynb (#21973)

Resolves #19134

Thank you for contributing to LangChain!

- [x ] **PR message**: ***Delete this entire checklist*** and replace
with
- **Description:** this pr replaces `title` with `name` in the [add
examples in cypher generation
prompt](https://python.langchain.com/v0.1/docs/integrations/graphs/neo4j_cypher/#add-examples-in-the-cypher-generation-prompt)
section.
    - **Issue:** 19134
    - **Dependencies:** any dependencies required for this change
    - **Twitter handle:** @mirna_wong

docs/docs/integrations/graphs/neo4j_cypher.ipynb

@@ -450,7 +450,7 @@
     "Do not include any text except the generated Cypher statement.\n",
     "Examples: Here are a few examples of generated Cypher statements for particular questions:\n",
     "# How many people played in Top Gun?\n",
-    "MATCH (m:Movie {{title:\"Top Gun\"}})<-[:ACTED_IN]-()\n",
+    "MATCH (m:Movie {{name:\"Top Gun\"}})<-[:ACTED_IN]-()\n",
     "RETURN count(*) AS numberOfActors\n",
     "\n",
     "The question is:\n",