docs[patch]: Update installation instructions with missing packages i…

…n redis docs (#5988)

* Added missing @langchain/redis in dependency installation

* Update docs/core_docs/docs/integrations/vectorstores/redis.mdx

---------

Co-authored-by: Brace Sproul <braceasproul@gmail.com>

docs/core_docs/docs/integrations/vectorstores/redis.mdx

@@ -29,7 +29,7 @@ import IntegrationInstallTooltip from "@mdx_components/integration_install_toolt
 <IntegrationInstallTooltip></IntegrationInstallTooltip>
 
 ```bash npm2yarn
-npm install @langchain/openai @langchain/community
+npm install @langchain/openai @langchain/core @langchain/redis langchain
 ```
 
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