fix: ensure git-lfs is present (#5078)

devcontainer clean builds had issue with git-lfs -- should this be installed for _all_ images for safety?

Signed-off-by: Dave Lee <dave@gray101.com>

Dockerfile

@@ -24,6 +24,7 @@ RUN apt-get update && \
         ca-certificates \
         curl libssl-dev \
         git \
+        git-lfs \
         unzip upx-ucl && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*