Bump nltk from 3.9 to 3.9.3 in /metro-ai-suite/interactive-digital-avatar (#1962)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Junyu Bian <junyu.bian@intel.com>

Author: dependabot[bot]

metro-ai-suite/interactive-digital-avatar/requirements.txt

@@ -13,7 +13,7 @@ openvino-genai==2024.3.0
 paddlepaddle==2.6.1
 paddlespeech==1.5.0
 typeguard==2.13.3
-nltk==3.9
+nltk==3.9.3
 
 # funasr
 funasr==1.1.4