Fix Hadolint DL3008 warning in Dockerfile

Add hadolint ignore comment for DL3008 warning about unpinned package versions.
For a development template, using latest versions from the base image is preferred
for flexibility and ease of maintenance.

Signed-off-by: Ihor Dvoretskyi <[email protected]>

Author: idvoretskyi

.devcontainer/Dockerfile

@@ -1,5 +1,6 @@
 FROM mcr.microsoft.com/devcontainers/base:ubuntu-24.04
 
+# hadolint ignore=DL3008
 RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
     && apt-get -y install --no-install-recommends \
         curl \