Update constants.py (#1677)

Author: michaelfeil

truss/base/constants.py

@@ -72,7 +72,7 @@
 
 TRTLLM_SPEC_DEC_TARGET_MODEL_NAME = "target"
 TRTLLM_SPEC_DEC_DRAFT_MODEL_NAME = "draft"
-TRTLLM_BASE_IMAGE = "baseten/briton-server:v0.18.1-ffb120c"
+TRTLLM_BASE_IMAGE = "baseten/briton-server:v0.18.1-6887471"
 # TODO: build the image so that the default path `python3` can be used - then remove here.
 TRTLLM_PYTHON_EXECUTABLE = "/usr/local/briton/venv/bin/python"
 BEI_TRTLLM_BASE_IMAGE = "baseten/bei:0.0.23"