Bump sha2 from 0.10.9 to 0.11.0

[dependabot]

Bumps sha2 from 0.10.9 to 0.11.0.

Commits

• ffe0939 Release sha2 0.11.0 (#806)
• 8991b65 Use the standard order of the [package] section fields (#807)
• 3d2bc57 sha2: refactor backends (#802)
• faa55fb sha3: bump keccak to v0.2 (#803)
• d3e6489 sha3 v0.11.0-rc.9 (#801)
• bbf6f51 sha2: tweak backend docs (#800)
• 155dbbf sha3: add default value for the DS generic parameter on TurboShake128/256...
• ed514f2 Use published version of keccak v0.2 (#799)
• 702bcd8 Migrate to closure-based keccak (#796)
• 827c043 sha3 v0.11.0-rc.8 (#794)
• Additional commits viewable in compare view

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Summary by cubic

Upgrade sha2 from 0.10.9 to 0.11.0 to align with the latest digest stack and receive upstream performance and maintenance updates. This is a breaking 0.x bump, but typical usage via sha2::{Sha256, Digest} should remain source-compatible.

• Transitive updates: digest 0.11, crypto-common 0.2, block-buffer 0.12, cpufeatures 0.3; generic-array removed in favor of hybrid-array.
• If you import digest::consts, typenum, or generic-array, migrate to const generics and fixed-size arrays (e.g., use [u8; 32] for SHA-256 outputs).
• Validate snapshot hashing: run tests and compare digests with 0.10 to confirm no behavior change.

^{Written for commit a624843. Summary will update on new commits.}