Fix #2919: Make chromadb an optional dependency to resolve package conflicts

Co-Authored-By: João <joao@crewai.com>

pyproject.toml

@@ -21,7 +21,6 @@ dependencies = [
     "opentelemetry-sdk>=1.30.0",
     "opentelemetry-exporter-otlp-proto-http>=1.30.0",
     # Data Handling
-    "chromadb>=0.5.23",
     "openpyxl>=3.1.5",
     "pyvis>=0.3.2",
     # Authentication and Security
@@ -49,6 +48,9 @@ tools = ["crewai-tools~=0.45.0"]
 embeddings = [
     "tiktoken~=0.7.0"
 ]
+storage = [
+    "chromadb>=0.5.23"
+]
 agentops = ["agentops>=0.3.0"]
 fastembed = ["fastembed>=0.4.1"]
 pdfplumber = [