fix: upgrade gnupg/keyboxd packages to patch CVE-2025-68973

Agent-Logs-Url: https://github.com/idvoretskyi/dev/sessions/f48c3f17-bd7c-41fc-b793-37edd0df4935

Co-authored-by: idvoretskyi <118459+idvoretskyi@users.noreply.github.com>

Author: Copilot

.devcontainer/Dockerfile

@@ -9,5 +9,6 @@ RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
     sudo \
     linux-libc-dev \
     vim-tiny \
+    && apt-get -y upgrade gnupg gpg gpg-agent gpgsm gpgconf keyboxd \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*