Disable dnf zchunk; artifactapi ignores Range

Dockerfile

@@ -5,7 +5,7 @@ ARG DISTRO=alma9
 COPY distros/${DISTRO}/ /tmp/distro/
 # DL3041: versions are pinned by the estate dnf repos, not here. SC2086: $PACKAGES is a
 # word list on purpose. DL4006: the only pipe ends in sha256sum, whose status is the
-# pipeline's, and set -e catches it.
+# pipeline's, and set -e catches it. zchunk is off because artifactapi ignores Range requests.
 # hadolint ignore=DL3041,DL4006,SC2086
 RUN set -eux; \
     . /tmp/distro/distro.env; \
@@ -14,6 +14,7 @@ RUN set -eux; \
     echo "$CA_RPM_SHA256  /tmp/ca.rpm" | sha256sum -c -; \
     rpm -i /tmp/ca.rpm; \
     cp /tmp/distro/yum.repos.d/*.repo /etc/yum.repos.d/; \
+    sed -i '/^\[main\]/a zchunk=False' /etc/dnf/dnf.conf; \
     dnf makecache; \
     dnf update -y; \
     dnf install -y $PACKAGES; \