docs: Fix misplaced zep cloud example links (#20867)

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- [x] **PR title**: Fix misplaced zep cloud example links
- [x] **PR message**: 
- **Description:** Fixes misplaced links for vector store and memory zep
cloud examples

- [x] **Add tests and docs**: If you're adding a new integration, please
include
1. a test for the integration, preferably unit tests that do not rely on
network access,
2. an example notebook showing its use. It lives in
`docs/docs/integrations` directory.


- [x] **Lint and test**: Run `make format`, `make lint` and `make test`
from the root of the package(s) you've modified. See contribution
guidelines for more: https://python.langchain.com/docs/contributing/

Additional guidelines:
- Make sure optional dependencies are imported within a function.
- Please do not add dependencies to pyproject.toml files (even optional
ones) unless they are required for unit tests.
- Most PRs should not touch more than one package.
- Changes should be backwards compatible.
- If you are adding something to community, do not re-import it in
langchain.

If no one reviews your PR within a few days, please @-mention one of
baskaryan, efriis, eyurtsev, hwchase17.

docs/docs/integrations/memory/zep_memory.ipynb

@@ -6,11 +6,11 @@
     "# Zep\n",
     "> Recall, understand, and extract data from chat histories. Power personalized AI experiences.\n",
     "\n",
-    ">[Zep](http://www.getzep.com) is a long-term memory service for AI Assistant apps.\n",
+    ">[Zep](https://www.getzep.com) is a long-term memory service for AI Assistant apps.\n",
     "> With Zep, you can provide AI assistants with the ability to recall past conversations, no matter how distant,\n",
     "> while also reducing hallucinations, latency, and cost.\n",
     "\n",
-    "> Interested in Zep Cloud? See [Zep Cloud Installation Guide](https://help.getzep.com/sdks) and [Zep Cloud Memory Example](https://help.getzep.com/langchain/examples/vectorstore-example)\n",
+    "> Interested in Zep Cloud? See [Zep Cloud Installation Guide](https://help.getzep.com/sdks) and [Zep Cloud Memory Example](https://help.getzep.com/langchain/examples/messagehistory-example)\n",
     "\n",
     "## Open Source Installation and Setup\n",
     "\n",

docs/docs/integrations/providers/zep.mdx

@@ -1,7 +1,7 @@
 # Zep
 > Recall, understand, and extract data from chat histories. Power personalized AI experiences.
 
->[Zep](http://www.getzep.com) is a long-term memory service for AI Assistant apps.
+>[Zep](https://www.getzep.com) is a long-term memory service for AI Assistant apps.
 > With Zep, you can provide AI assistants with the ability to recall past conversations, no matter how distant,
 > while also reducing hallucinations, latency, and cost.
 
@@ -22,7 +22,7 @@ Zep allows you to be more intentional about constructing your prompt:
 - and/or relevant Business data from Zep Document Collections.
 
 ## What is Zep Cloud?
-[Zep Cloud](http://www.getzep.com) is a managed service with Zep Open Source at its core.
+[Zep Cloud](https://www.getzep.com) is a managed service with Zep Open Source at its core.
 In addition to Zep Open Source's memory management features, Zep Cloud offers:
 - **Fact Extraction**: Automatically build fact tables from conversations, without having to define a data schema upfront.
 - **Dialog Classification**: Instantly and accurately classify chat dialog. Understand user intent and emotion, segment users, and more. Route chains based on semantic context, and trigger events.

docs/docs/integrations/retrievers/zep_memorystore.ipynb

@@ -8,7 +8,7 @@
     "\n",
     "> Recall, understand, and extract data from chat histories. Power personalized AI experiences.\n",
     "\n",
-    "> [Zep](http://www.getzep.com) is a long-term memory service for AI Assistant apps.\n",
+    "> [Zep](https://www.getzep.com) is a long-term memory service for AI Assistant apps.\n",
     "> With Zep, you can provide AI assistants with the ability to recall past conversations, no matter how distant,\n",
     "> while also reducing hallucinations, latency, and cost.\n",
     "\n",
@@ -17,7 +17,6 @@
     "## Open Source Installation and Setup\n",
     "\n",
     "> Zep Open Source project: [https://github.com/getzep/zep](https://github.com/getzep/zep)\n",
-    ">\n",
     "> Zep Open Source Docs: [https://docs.getzep.com/](https://docs.getzep.com/)"
    ],
    "metadata": {

docs/docs/integrations/vectorstores/zep.ipynb

@@ -6,11 +6,11 @@
     "# Zep\n",
     "> Recall, understand, and extract data from chat histories. Power personalized AI experiences.\n",
     "\n",
-    ">[Zep](http://www.getzep.com) is a long-term memory service for AI Assistant apps.\n",
+    "> [Zep](https://www.getzep.com) is a long-term memory service for AI Assistant apps.\n",
     "> With Zep, you can provide AI assistants with the ability to recall past conversations, no matter how distant,\n",
     "> while also reducing hallucinations, latency, and cost.\n",
     "\n",
-    "> Interested in Zep Cloud? See [Zep Cloud Installation Guide](https://help.getzep.com/sdks) and [Zep Cloud Vector Store example](https://help.getzep.com/langchain/examples/messagehistory-example)\n",
+    "> Interested in Zep Cloud? See [Zep Cloud Installation Guide](https://help.getzep.com/sdks) and [Zep Cloud Vector Store example](https://help.getzep.com/langchain/examples/vectorstore-example)\n",
     "\n",
     "## Open Source Installation and Setup\n",
     "\n",
@@ -32,7 +32,7 @@
    "metadata": {
     "collapsed": false
    },
-   "id": "182f1b4f6cc28385"
+   "id": "550edc01b00149cd"
   },
   {
    "cell_type": "markdown",