Bump opencode to v1.4.17, add file utility to base image

Dockerfile

@@ -5,7 +5,7 @@ ARG DEBIAN_VERSION=trixie-slim
 FROM debian:${DEBIAN_VERSION} AS base
 
 ARG TARGETARCH
-ARG OPENCODE_VERSION=1.4.12
+ARG OPENCODE_VERSION=1.4.17
 
 LABEL maintainer="joakimp"
 LABEL description="Portable opencode developer container"
@@ -34,6 +34,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     diffutils \
     git-crypt \
     age \
+    file \
     sudo \
     locales \
     procps \