disable systemd-firstboot dependency to fix test image startup issue

Author: reubenmiller

test-images/podman-v5/Dockerfile

@@ -5,5 +5,7 @@ RUN systemctl enable podman.socket \
     # which allows using docker and docker compose without having to set the DOCKER_HOST variable
     # Source: podman-docker debian package
     && echo 'L+  %t/docker.sock   -    -    -     -   %t/podman/podman.sock' | tee /usr/lib/tmpfiles.d/podman-docker-socket.conf \
-    && systemd-tmpfiles --create podman-docker-socket.conf >/dev/null || true
+    && systemd-tmpfiles --create podman-docker-socket.conf >/dev/null || true \
+    # disable first boot otherwise the Fedora 43 hangs on startup which prevents other services from starting
+    && rm -f /usr/lib/systemd/system/sysinit.target.wants/systemd-firstboot.service
 ENTRYPOINT [ "/lib/systemd/systemd" ]