flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/cbd8ec4de4469333c82ff40d057350c30e9f7d36?narHash=sha256-DjkQPnkAfd7eB522PwnkGhOMuT9QVCZspDpJJYyOj60%3D' (2025-01-05)
  → 'github:NixOS/nixpkgs/1965fd20a39c8e441746bee66d550af78f0c0a7b?narHash=sha256-gaWJEWGBW/g1u6o5IM4Un0vluv86cigLuBnjsKILffc%3D' (2025-06-11)
• Updated input 'rpi-bluez-firmware-src':
    'github:RPi-Distro/bluez-firmware/78d6a07730e2d20c035899521ab67726dc028e1c?narHash=sha256-KakKnOBeWxh0exu44beZ7cbr5ni4RA9vkWYb9sGMb8Q%3D' (2024-02-26)
  → 'github:RPi-Distro/bluez-firmware/2bbfb8438e824f5f61dae3f6ebb367a6129a4d63?narHash=sha256-t%2BD4VUfEIov83KV4wiKp6TqXTHXGkxg/mANi4GW7QHs%3D' (2025-03-03)
• Updated input 'rpi-firmware-nonfree-src':
    'github:RPi-Distro/firmware-nonfree/4b356e134e8333d073bd3802d767a825adec3807?narHash=sha256-T7eTKXqY9cxEMdab8Snda4CEOrEihy5uOhA6Fy%2BMhnw%3D' (2024-08-10)
  → 'github:RPi-Distro/firmware-nonfree/c9d3ae6584ab79d19a4f94ccf701e888f9f87a53?narHash=sha256-5ywIPs3lpmqVOVP3B75H577fYkkucDqB7htY2U1DW8U%3D' (2025-04-08)
• Updated input 'rpi-linux-6_12_17-src':
    'github:raspberrypi/linux/5985ce32e511f4e8279a841a1b06a8c7d972b386?narHash=sha256-hoCsGc4%2BRC/2LmxDtswLBL5ZhWlw4vSiL4Vkl39r2MU%3D' (2025-02-28)
  → 'github:raspberrypi/linux/317477113b20b2aebbe39f0132a431dc5e38c2f1?narHash=sha256-CIN25ixRomJ9OtMv/kmC1Pi88Wvi0qUOzWHBp20SSYw%3D' (2025-06-11)
• Updated input 'rpi-linux-6_6_78-src':
    'github:raspberrypi/linux/2e071057fded90e789c0101498e45a1778be93fe?narHash=sha256-Y8%2Bot4Yi3UKwlZK3ap15rZZ16VZDvmeFkD46%2B6Ku7bE%3D' (2025-02-25)
  → 'github:raspberrypi/linux/bba53a117a4a5c29da892962332ff1605990e17a?narHash=sha256-9wumAt/c39yi9vYz/6vgSywSq5GH8Aa2ZFuXhU9N7fk%3D' (2025-03-26)

Author: github-actions[bot]