chore: add tei 1.6.0 to tei mapping in tests

Author: varunmoris

tests/unit/sagemaker/image_uris/test_huggingface_llm.py

@@ -23,10 +23,12 @@
     "gpu": {
         "1.2.3": "2.0.1-tei1.2.3-gpu-py310-cu122-ubuntu22.04",
         "1.4.0": "2.0.1-tei1.4.0-gpu-py310-cu122-ubuntu22.04",
+        "1.6.0": "2.0.1-tei1.6.0-gpu-py310-cu122-ubuntu22.04",
     },
     "cpu": {
         "1.2.3": "2.0.1-tei1.2.3-cpu-py310-ubuntu22.04",
         "1.4.0": "2.0.1-tei1.4.0-cpu-py310-ubuntu22.04",
+        "1.6.0": "2.0.1-tei1.6.0-cpu-py310-ubuntu22.04",
     },
 }
 HF_VERSIONS_MAPPING = {