fix: require python-daemon>=2.2.4 so luigid --background works on Python 3.13

[DRACULA1729]

Description

luigid --background crashes on Python 3.13 with OSError: [Errno 88] Socket operation on non-socket. The crash is in the python-daemon dependency, not in luigi.

When luigi builds the DaemonContext in luigi/process.py it doesn't pass detach_process, so python-daemon decides whether to detach by checking if stdin is a socket (i.e. whether it was started by inetd / a superserver). That check calls socket.fromfd(fd, AF_INET, SOCK_RAW) on fd 0. Python 3.13 validates the fd inside the socket() constructor and raises ENOTSOCK for a non-socket, and old python-daemon left that fromfd call outside its try/except, so the error escapes. That's why foreground luigid and Python 3.12 are both fine: neither hits this path.

python-daemon fixed this in 2.2.4 ("Create the socket and catch 'non-socket' errors") by moving fromfd inside the try/except that handles ENOTSOCK. luigi declared no minimum python-daemon version on non-Windows, so a pre-2.2.4 release could satisfy the install and still crash. uv.lock was even resolving python-daemon to 2.1.2 on every platform, because the win32 <2.2.0 cap pulled the universal resolution down while non-Windows had no floor.

This adds the lower bound and regenerates the lockfile:

- "python-daemon; sys_platform != 'win32'",
+ "python-daemon>=2.2.4; sys_platform != 'win32'",

After the change the lock resolves python-daemon 3.1.2 on non-Windows (the patched line) and keeps 2.1.2 on win32 under its existing <2.2.0 cap. 2.2.4 is the exact release that fixed the bug, so it's the minimal bound.

Motivation and Context

Fixes #3407. luigid --background is broken on Python 3.13, which luigi supports (requires-python = ">=3.10, <3.14"). Foreground luigid still works, so this only affects daemon mode.

Have you tested this? If so, how?

I reproduced the crash and verified the fix on a clean Python 3.13.13 environment.

Before, with python-daemon 2.1.2 (the version the old lock pinned), luigid --background --logdir ./logs exits 1 with the same traceback as #3407:

File ".../luigi/process.py", line 94, in daemonize
    ctx = daemon.DaemonContext(...)
File ".../daemon/daemon.py", line 778, in is_process_started_by_superserver
    if is_socket(stdin_fd):
File ".../daemon/daemon.py", line 743, in is_socket
    file_socket = socket.fromfd(fd, socket.AF_INET, socket.SOCK_RAW)
OSError: [Errno 88] Socket operation on non-socket

After, with python-daemon 3.1.2 (what >=2.2.4 resolves to), the same command exits 0. The daemon forks into the background, writes its pidfile, the scheduler logs "Scheduler starting up", and the HTTP API answers 200 on :8082.

CI is green and uv sync --locked passes with the regenerated lockfile.