2.3.1

New features

[8865a91] Restored the original Bootstrap breakpoints in the theme styles (@tbmatuka)
[c68948e] Allowed to use all kinds of FontAwesome icons (brands, pro, duotone) (@javiereguiluz)
[fc6f2c6] Improved RTL styles by generating them automatically from the theme styles (@javiereguiluz)
[03e6ec8] Added a new Twig blog to override default JS assets (@bnbc)
[8ed2e44] Added a command to back up configuration to ease migration to future EasyAdmin 3 version (@javiereguiluz)

Bug fixes

[15c3b7b] Made DateTimeFilterType compat with \DateTimeImmutable instances (@yceruto)
[914bba0] Fixed Twig deprecation related to using "if" in a "for" tag (@botjaeger)
[740fef9] Check for method existence before calling it (@Dev-SL)
[ec9cd6e] Prevent non-EasyAdmin form themes to be applied to backends (@tbmatuka)
[a0101f3] Allow to customize the formatting of immutable DateTimeTz fields (@bangkok)
[07e5046] Pretty-print the contents of JSON fields (Oleg Andreyev)
[fe18c42][e0eca2f] Updated Arabic translation (@Mithrandir0407)
[c0a16a6] Fixed misc typos (@abenomar-uma)
[2bcb6d9] Updated Galician translation (@juanmiguelbesada)
[4cb73d9] Updated Czech translation (@Luke-Lacina)
[e44b481] Updated French translation (@matthieumota)
[e110a47] Updated Danish translations (@rimi-itk)