Update duckduckgo dependency - min should be 2.9.5 (#4142)

Co-authored-by: k-boikov <64261260+k-boikov@users.noreply.github.com>

requirements.txt

@@ -10,7 +10,7 @@ requests
 tiktoken==0.3.3
 gTTS==2.3.1
 docker
-duckduckgo-search
+duckduckgo-search>=2.9.5
 google-api-python-client #(https://developers.google.com/custom-search/v1/overview)
 pinecone-client==2.2.1
 redis
@@ -53,4 +53,4 @@ pytest-integration
 pytest-mock
 vcrpy
 pytest-recording
-pytest-xdist
+pytest-xdist