Bug#999850: Remaining changes

[Jelmer Vernooij <jelmer@jelmer.uk>]

Current todo list in terms of crate changes:

python-pkginfo: in NEW
cargo-config2: package v0.1.7
cfg-expr: update to v0.15.2
toml: update to v0.7.4
serde_spanned: update to v0.6.2
toml_datetime: update to v0.6.2
toml_edit: update to v0.19.10
serde_spanned: update to v0.6.2
winnow: update to v0.4.6
dirs: update to v5.0.1
dirs-sys: update to v0.4.1
option-ext: update to v0.2.0
cargo_metadata: update to v0.15.4
clap_complete_command: update to v0.5.1
clap_complete_fig: update to v4.2.0
fat-macho: update to v0.4.6
goblin: update to v0.6.1
scroll: update to v0.11.0
scroll_derive: update to v0.11.0
syn: update to v1.0.109
lddtree: update to v0.3.2
multipart v0.18.0
normpath: update to v1.1.1
trycmd: update to v0.14.11
humantime-serde: update to v1.1.1
snapbox: update to v0.4.4
concolor: update to v0.0.11
bitflags: update to v1.3.2

Note that "update to X" can also mean patching maturin to use the
version currently in the Debian archive.

Cheers,

Jelmer