Update Rust crate serde_with to v3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
serde_with	dependencies	major	2.3 -> 3.0

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Release Notes

jonasbb/serde_with

v3.0.0: serde_with v3.0.0

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This breaking release should not impact most users.
It only affects custom character sets used for base64 of which there are no instances of on GitHub.

Changed

• Upgrade base64 to v0.21 (#​543)
  Thanks to @​jeff-hiner for submitting the PR.

  Remove support for custom character sets.
  This is technically a breaking change.
  A code search on GitHub revealed no instances of anyone using that, and serde_with ships with many predefined character sets.
  The removal means that future base64 upgrade will no longer be breaking changes.

v2.3.3: serde_with v2.3.3

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Changed

• Update syn to v2 and darling to v0.20 (#​578)
  Update proc-macro dependencies.
  This change should have no impact on users, but now uses the same dependency as serde_derive.

v2.3.2: serde_with v2.3.2

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Changed

• Improve the error message when deserializing OneOrMany or PickFirst fails.
  It now includes the original error message for each of the individual variants.
  This is possible by dropping untagged enums as the internal implementations, since they will likely never support this, as these old PRs show serde#​2376 and serde#​1544.

  The new errors look like:

  OneOrMany could not deserialize any variant:
    One: invalid type: map, expected u32
    Many: invalid type: map, expected a sequence
  

  PickFirst could not deserialize any variant:
    First: invalid type: string "Abc", expected u32
    Second: invalid digit found in string
  

Fixed

• Specify the correct minimum serde version as dependency. (#​588)
  Thanks to @​nox for submitting a PR.

v2.3.1: serde_with v2.3.1

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Fixed

• Undo the changes to the trait bound for Seq. (#​570, #​571)
  The new implementation caused issues with serialization formats that require the sequence length beforehand.
  It also caused problems, that certain attributes which worked before no longer worked, due to mismatching number of references.

  Thanks to @​stefunctional for reporting and for @​stephaneyfx for providing a test case.

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