Update lender requirement from 0.6 to 0.7

[dependabot]

Updates the requirements on lender to permit the latest version.

Release notes

Sourced from lender's releases.

0.7.0

[0.7.0] - 2026-05-31

New

• Functions __check_lender_covariance, __check_fallible_lender_covariance, __check_lending_covariance and __check_fallible_lending_covariance to check covariance of lenders and lends in custom implementations.

• Many sources and accessors are now const fn, so they can be used in const contexts (e.g., from_iter, from_into_iter, from_iter_ref, from_fn, once_with, windows_mut, and array_windows_mut).

Fixed

• find_map implementations were missing covariance checks.

• Removed spurious &'short reference from fallible covariance checks.

Changed

• Following std's policy, we have #[inline] on all public methods.

• We have now resolver = 3, which should solve some update issues with the maybe-dangling crate.

Changelog

Sourced from lender's changelog.

[0.7.0] - 2026-05-31

New

• Functions __check_lender_covariance, __check_fallible_lender_covariance, __check_lending_covariance and __check_fallible_lending_covariance to check covariance of lenders and lends in custom implementations.

• Many sources and accessors are now const fn, so they can be used in const contexts (e.g., from_iter, from_into_iter, from_iter_ref, from_fn, once_with, windows_mut, and array_windows_mut).

Fixed

• find_map implementations were missing covariance checks.

• Removed spurious &'short reference from fallible covariance checks.

Changed

• Following std's policy, we have #[inline] on all public methods.

• We have now resolver = 3, which should solve some update issues with the maybe-dangling crate.

[0.6.2] - 2026-02-18

Fixed

• Missing lifetimes in PhantomData was causing compiler errors when using #![with] with covariance-check macros.

[0.6.1] - 2026-02-18

Fixed

• Closed loophole in covariance-checking macro that was skipping covariance checks when using elided lifetimes.

• Now macros use $crate:: to refer to internal items.

• Ported documentation about #![with].

[0.6.0] - 2026-02-17

New

• Major improvement to the covariance check: it is no longer possible to circumvent it using core::ptr::null(), todo!(), unimplemented!(), panic!(), loop {}, etc.

... (truncated)

Commits

• 76d8b7e Bumped revision
• 9c73228 Updated to resolver 3
• 7f52bcf Change log
• a5cf456 Standardized badges
• 36273d7 Consolidated badges
• 1ef8353 const fn where possible
• 3c6afb5 All methods #[inline] except covariance-check methods, which are #[inline(alw...
• 8517022 More inlines
• 43ced9e Renamed tests
• ff0cc3c Fixed find_map's missing covariance checks; removed duplicate tests
• Additional commits viewable in compare view

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[dependabot]

Superseded by #2.