[deps]: Update Rust crate darling to 0.21.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
darling	dependencies	minor	0.20.10 -> 0.21.0

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Release Notes

TedDriggs/darling (darling)

v0.21.3

Compare Source

• Fix: Forward Override::<T>::from_expr to T::from_expr #​371

v0.21.2

Compare Source

• Add #[darling(from_expr = ...)] when deriving FromMeta to support overriding the key-value form #​369
• Keep parsing the body and type params even if there are errors from parsing attributes. #​7
• Support #[darling(with = ...)] on the generics field when deriving FromDeriveInput.
• Return an error, rather than panicking, when doing shape validation on a union. #​365

v0.21.1

Compare Source

• Track all alternate field names, and show them in error message if there aren't too many. #​325
• Track all alternate values for enum variants, and show them in error messages if there aren't too many. #​362

v0.21.0

Compare Source

• Potentially breaking: Emit error when an attribute path is present in both attributes and forward_attrs. #​336
• Support parsing attributes which contain keywords #​238
• Add SpannedValue::into_inner #​342
• Add #[darling(derive_syn_parse)] to also impl syn::parse::Parse when deriving FromMeta #​285
• Make impl FromMeta for syn::TypePath support both quote-wrapped and bare values #​351
• Add util::PreservedStrExpr #​346
• Impl UsesTypeParams and UsesLifetimes for WithOriginal #​215
• Update error message emitted by <() as FromMeta>::from_list to allow use of () as a #[darling(flatten)] target #​353

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Configuration

📅 Schedule: Branch creation - "every 2nd week starting on the 2 week of the year before 4am on Monday" (UTC), Automerge - At any time (no schedule defined).

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♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

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[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: Cargo.lock

Command failed: cargo update --config net.git-fetch-with-cli=true --manifest-path crates/bitwarden-error-macro/Cargo.toml --package darling@0.20.11 --precise 0.21.3
    Updating git repository `https://github.com/bitwarden/rustcrypto-formats.git`
From https://github.com/bitwarden/rustcrypto-formats
 * [new ref]         2b27c63034217dd126bbf5ed874da51b84f8c705 -> refs/commit/2b27c63034217dd126bbf5ed874da51b84f8c705
    Updating git repository `https://github.com/mozilla/uniffi-rs`
From https://github.com/mozilla/uniffi-rs
 * [new ref]           6d46b3f756dde3213357c477d86771a0fc5da7b4 -> refs/commit/6d46b3f756dde3213357c477d86771a0fc5da7b4
    Updating crates.io index
    Updating git repository `https://github.com/bitwarden/passkey-rs`
From https://github.com/bitwarden/passkey-rs
 * [new ref]         3b764633ebc6576c07bdd12ee14d8e5c87b494ed -> refs/commit/3b764633ebc6576c07bdd12ee14d8e5c87b494ed
error: failed to select a version for the requirement `darling = "^0.20"`
candidate versions found which didn't match: 0.21.3
location searched: crates.io index
required by package `validator_derive v0.18.0`
    ... which satisfies dependency `validator_derive = "^0.18"` of package `validator v0.18.1`
    ... which satisfies dependency `validator = ">=0.18.1, <0.21"` of package `bitwarden-sm v1.0.0 (/tmp/renovate/repos/github/bitwarden/sdk-internal/bitwarden_license/bitwarden-sm)`

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79.68%. Comparing base (b1cf684) to head (d4d16ab).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #391      +/-   ##
==========================================
- Coverage   79.69%   79.68%   -0.02%     
==========================================
  Files         300      300              
  Lines       32220    32220              
==========================================
- Hits        25679    25673       -6     
- Misses       6541     6547       +6     

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[bitwarden-bot]

Internal tracking:

• ID: PM-24917
• Link: https://bitwarden.atlassian.net/browse/PM-24917

[dani-garcia]

Some crates in our graph are using the older version, so rather than update now and duplicate it. I think it's better to wait until those crates are updated (zxcvbn and validator)

[renovate]

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