Update ctor requirement from 0.10.0 to 0.12.0

[dependabot]

Updates the requirements on ctor to permit the latest version.

Changelog

Sourced from ctor's changelog.

ctor [0.12.0] - 2026-04-30

Added

• Support for #[ctor] on impl items. To be valid, the fn must have no self parameter and must not access any generic parameters from the outer item.
• Added life before main documentation to all crates.
• early and late priority values are now supported on all platforms.

Removed

• deprecated dtor feature and crate dependency from ctor crate (use the dtor crate directly).

Fixed

• AIX uses "standard" priority values from 0 to 999, early and late (mapped to 80000000 to 80000999).

Changed

• If the priority feature is enabled, ctor priority sorting is now stable and consistent across platforms: early/0/unspecified, then 1 <= N < 1000, then late.
• If a link_section or export_name_prefix is specified, a priority value must not be specified (now a compiler error).
• Migrated to using the linktime-proc-macro crate for proc-macro support.

dtor [0.12.0] - 2026-04-30

Added

• Support for #[dtor] on impl items. To be valid, the fn must have no self parameter and must not access any generic parameters from the outer item.
• Added life before main documentation to all crates.

Removed

• Removed support code for ctor's deprecated dtor macros.

ctor [0.11.1] - 2026-04-28

Changed

• Deprecated ``dtormacros in favor ofdtor` crate.
• Migrated to using the linktime-proc-macro crate for proc-macro support.

Fixed

... (truncated)

Commits

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