[vFix]: Upgrage expat in acft-mmdetection-image-gpu for expat vulnera…

…bility (#3708)

assets/training/finetune_acft_image/environments/acft_image_mmdetection/context/Dockerfile

@@ -7,6 +7,7 @@ RUN apt-get -y update && apt-get install -y libglib2.0-0
 # Install required packages from pypi
 COPY requirements.txt .
 RUN pip install -r requirements.txt --no-cache-dir
+RUN apt-get install -y expat=2.4.7-1ubuntu0.5
 
 # # # Install mmdet
 # Temporary workaround for https://github.com/open-mmlab/mim/issues/244