Merge pull request #15 from UiPath/fix/update_retrieval_sample

chore: update retrieval sample

Author: cristipufu

samples/uipath_retrieval_chain/.env.example renamed to samples/retrieval-chain/.env.example

@@ -1,9 +1,9 @@
 [project]
-name = "uipath_retrieval_chain"
+name = "retrieval-chain"
 version = "0.0.1"
 description = "Sample retrieval chain using UiPath Context Grounding API"
 authors = [{ name = "Andrei Rusu", email = "andrei.rusu@uipath.com" }]
 dependencies = [
-    "uipath-langchain>=0.0.85",
+    "uipath-langchain>=0.0.87",
 ]
 requires-python = ">=3.10"