Update Rust crate base64 to 0.22.0 - autoclosed

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
base64	dependencies	minor	0.21.2 -> 0.22.0

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Release Notes

marshallpierce/rust-base64 (base64)

v0.22.1

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• Correct the symbols used for the predefined alphabet::BIN_HEX.

v0.22.0

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• DecodeSliceError::OutputSliceTooSmall is now conservative rather than precise. That is, the error will only occur if the decoded output cannot fit, meaning that Engine::decode_slice can now be used with exactly-sized output slices. As part of this, Engine::internal_decode now returns DecodeSliceError instead of DecodeError, but that is not expected to affect any external callers.
• DecodeError::InvalidLength now refers specifically to the number of valid symbols being invalid (i.e. len % 4 == 1), rather than just the number of input bytes. This avoids confusing scenarios when based on interpretation you could make a case for either InvalidLength or InvalidByte being appropriate.
• Decoding is somewhat faster (5-10%)

v0.21.7

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• Support getting an alphabet's contents as a str via Alphabet::as_str()

v0.21.6

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• Improved introductory documentation and example

v0.21.5

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• Add Debug and Clone impls for the general purpose Engine

v0.21.4

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• Make encoded_len const, allowing the creation of arrays sized to encode compile-time-known data lengths

v0.21.3

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• Implement source instead of cause on Error types
• Roll back MSRV to 1.48.0 so Debian can continue to live in a time warp
• Slightly faster chunked encoding for short inputs
• Decrease binary size

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Configuration

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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 Cargo.toml --package [email protected] --precise 0.22.1
    Updating crates.io index
error: failed to select a version for the requirement `base64 = "^0.21"`
candidate versions found which didn't match: 0.22.1
location searched: crates.io index
required by package `rustls-pemfile v1.0.3`
    ... which satisfies dependency `rustls-pemfile = "^1.0.1"` (locked to 1.0.3) of package `mongodb v2.7.0`
    ... which satisfies dependency `mongodb = "^2.7.0"` (locked to 2.7.0) of package `mongodb-data-api v0.1.3 (/tmp/renovate/repos/github/grafbase/mongodb-data-api)`
perhaps a crate was updated and forgotten to be re-vendored?