Link Python clients doc to deprecation notice (#8358)

* Link Python clients doc to deprecation notice

* Use relative link to deprecation post

docs/integrations/python.md

@@ -12,14 +12,18 @@ redirect_from:
 
 {% include toc_2-3.html %}
 
+{: .warning }
+> If you are still using the [legacy Python `lakefs-client`][legacy-pypi], it's
+> time to upgrade!  This client is [deprecated][legacy-deprecated] and will be removed
+> soon.
 
 **High Level Python SDK**  <span class="badge mr-1">New</span>
 We've just released a new High Level Python SDK library, and we're super excited to tell you about it! Continue reading to get the
 full story!
 Though our previous SDK client is still supported and maintained, we highly recommend using the new High Level SDK.
 **For previous Python SDKs follow these links:**
 [lakefs-sdk](https://pydocs-sdk.lakefs.io)
-[legacy-sdk](https://pydocs.lakefs.io) (Depracated)
+[legacy-sdk](https://pydocs.lakefs.io) (Deprecated)
 {: .note }
 
 There are three primary ways to work with lakeFS from Python:
@@ -604,3 +608,6 @@ s3.head_object(Bucket='example-repo', Key='main/example-file.parquet')
 # 'ETag': '"2398bc5880e535c61f7624ad6f138d62"',
 # 'Metadata': {}}
 ```
+
+[legacy-deprecated]:  /posts/deprecate-py-legacy.html
+[legacy-pypi]:  https://pypi.org/project/lakefs-client/

docs/posts/deprecate-py-legacy.md

@@ -4,7 +4,7 @@ date: 2024-10-28
 search_exclude: true
 ---
 
-# :warning:  Deprecating `lakefs-client`, the legacy Python :snake: Client SDKs
+# ⚠️  Deprecating `lakefs-client`, the legacy Python 🐍 Client SDKs
 
 `lakefs-client` is now deprecated, and we will shortly publish its last
 release to PyPI.