[docker] Use python3-selenium < 4.1.4 (woob requirement for python 3.7 compat)
python3-selenium 4.1.4+ requires python 3.8+ whereas woob still supports 3.7, so every module using selenium in woob requires < 4.1.4.
python3-selenium 4.1.4+ requires python 3.8+ whereas woob still supports 3.7, so every module using selenium in woob requires < 4.1.4.