i18n-embed-fl (update to 0.7) & deps (includes rust-embed=8)

# Using arc-swap=1.6.0-2 to use the version in unstable as of 2024-01-18 instead of building the newer one of the repo (for which autopkgtest skips because it requires itertools 0.12 not yet in unstable).

    FLUENT_BUNDLE="fluent-langneg fluent-syntax intl-memoizer=0.5 intl_pluralrules self_cell fluent-bundle=0.15"
  FLUENT="$FLUENT_BUNDLE fluent-pseudo fluent=0.16"
  INTL_MEMOIZER="type-map intl_pluralrules intl-memoizer=0.5"
  RUST_EMBED="rust-embed-utils=8 rust-embed-impl=8 rust-embed=8"
  I18N_EMBED_IMPL="$RUST_EMBED i18n-config=0.4.5 i18n-embed-impl=0.8.3"
I18N_EMBED="arc-swap=1.6.0-2 $FLUENT fluent-langneg fluent-syntax $I18N_EMBED_IMPL $INTL_MEMOIZER $RUST_EMBED tr=0.1 web-sys i18n-embed=0.14"
I18N_EMBED_FL="find-crate $FLUENT fluent-syntax i18n-config=0.4.5 $I18N_EMBED i18n-embed-fl=0.7"

I18N_EMBED_GLOBAL="$I18N_EMBED $I18N_EMBED_FL"

SKIP_SIGN=1 REPACKAGE= dev/chain_build.py \
  $I18N_EMBED_GLOBAL