Toolbx: Link podman to host-spawn.

Since the image is meant to be used with toolbx (which uses podman),
linking to host-spawn uses the host's podman which provides a better
experience.

toolbx/Dockerfile

@@ -34,6 +34,7 @@ RUN rm /etc/apt/apt.conf.d/docker-* && \
     gpg --no-default-keyring --import --batch --keyring /usr/share/keyrings/charm.gpg && \
     gpg --no-default-keyring --keyring /usr/share/keyrings/clickhouse.gpg --keyserver hkp://keyserver.ubuntu.com:80  --recv-keys 8919F6BD2B48D754 && \
     ln --symbolic --target /usr/local/bin/ /usr/libexec/flatpak-xdg-utils/* && \
+    ln --symbolic /usr/local/bin/host-spawn /usr/local/bin/podman && \
     #mkdir /etc/krb5.conf.d && \
     echo 'VARIANT_ID=container' >> /etc/os-release && \
     touch /etc/localtime && \