analyser: analyze_replaygain crash with a FLAC containing non utf8 data

[mp3butcher]

Describe the bug

Import Failed with a flac:
analyze_replaygain crashes with a FLAC containing non utf8 data
it seams related to ffprobe output parsing ( Andr�as)
a try except pass can fix the problem but parsing may be improve..or not

To reproduce

need external storage

Expected behavior

import expected to work properly

Relevant log output or error messages

analyzer_1    | Traceback (most recent call last):
analyzer_1    |   File "/src/libretime_analyzer/pipeline/pipeline.py", line 94, in run_analysis
analyzer_1    |     raise exception #logger.error('analyze_replaygain FAILED');
analyzer_1    | UnboundLocalError: local variable 'exception' referenced before assignment
analyzer_1    | 2024-01-20 03:04:46,545 | ERROR    | libretime_analyzer.message_listener:spawn_analyzer_process:183 - Analyzer pipeline exception: local variable 'exception' referenced before assignment
analyzer_1    | Traceback (most recent call last):
analyzer_1    |   File "/src/libretime_analyzer/pipeline/pipeline.py", line 92, in run_analysis
analyzer_1    |     metadata = analyze_replaygain(audio_file_path, metadata)
analyzer_1    |   File "/src/libretime_analyzer/pipeline/analyze_replaygain.py", line 13, in analyze_replaygain
analyzer_1    |     track_gain = probe_replaygain(filepath)
analyzer_1    |   File "/src/libretime_analyzer/pipeline/_ffmpeg.py", line 39, in probe_replaygain
analyzer_1    |     cmd = _ffprobe("-i", filepath)
analyzer_1    |   File "/src/libretime_analyzer/pipeline/_ffmpeg.py", line 27, in _ffprobe
analyzer_1    |     return run_(FFPROBE, *args, **kwargs)
analyzer_1    |   File "/src/libretime_analyzer/pipeline/_utils.py", line 9, in run_
analyzer_1    |     return run(
analyzer_1    |   File "/usr/local/lib/python3.10/subprocess.py", line 505, in run
analyzer_1    |     stdout, stderr = process.communicate(input, timeout=timeout)
analyzer_1    |   File "/usr/local/lib/python3.10/subprocess.py", line 1154, in communicate
analyzer_1    |     stdout, stderr = self._communicate(input, endtime, timeout)
analyzer_1    |   File "/usr/local/lib/python3.10/subprocess.py", line 2063, in _communicate
analyzer_1    |     stderr = self._translate_newlines(stderr,
analyzer_1    |   File "/usr/local/lib/python3.10/subprocess.py", line 1031, in _translate_newlines
analyzer_1    |     data = data.decode(encoding, errors)
analyzer_1    | UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 2040: invalid continuation byte

 ffprobe version 4.4.2-0ubuntu0.22.04.1 Copyright (c) 2007-2021 the FFmpeg developers
  built with gcc 11 (Ubuntu 11.2.0-19ubuntu1)
  configuration: --prefix=/usr --extra-version=0ubuntu0.22.04.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzimg --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-pocketsphinx --enable-librsvg --enable-libmfx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
  libavutil      56. 70.100 / 56. 70.100
  libavcodec     58.134.100 / 58.134.100
  libavformat    58. 76.100 / 58. 76.100
  libavdevice    58. 13.100 / 58. 13.100
  libavfilter     7.110.100 /  7.110.100
  libswscale      5.  9.100 /  5.  9.100
  libswresample   3.  9.100 /  3.  9.100
  libpostproc    55.  9.100 / 55.  9.100
Input #0, flac, from '/media/ZIK/03-andreas_et_nicolas-putain_putain_putain.flac':
  Metadata:
    Language        : French
    track           : 3
    Artist          : Andr�as et Nicolas
    Title           : Putain ! Putain ! Putain !
    Rip Date        : 2015-03-17
    Date            : 2014
    Retail Date     : 2014-05-05
    Media           : CD (LP)
    Encoder         : FLAC 1.2.1
    Ripping Tool    : EAC
    Release Type    : Normal release
    Genre           : Chanson
    Language 2-letter: -FR
    ORGANIZATION    : Verycords
    Album           : Singes du futur
  Duration: 00:03:16.19, start: 0.000000, bitrate: 1020 kb/s
  Stream #0:0: Audio: flac, 44100 Hz, stereo, s16

### LibreTime version

3.0.0-beta.1

### Installation method and OS / Environment

Operating system: Debian Bullseye
Method: Docker compose


### Installation details

_No response_

### Client Environment

Operating system: 22.01
Browser:


### Screenshots

_No response_