[rust] bump crates to base64 0.22

[bridiver]

Resolves brave/brave-browser#44805

Submitter Checklist:

• I confirm that no security/privacy review is needed and no other type of reviews are needed, or that I have requested them
• There is a ticket for my issue
• Used Github auto-closing keywords in the PR description above
• Wrote a good PR/commit description
• Squashed any review feedback or "fixup" commits before merge, so that history is a record of what happened in the repo, not your PR
• Added appropriate labels (QA/Yes or QA/No; release-notes/include or release-notes/exclude; OS/...) to the associated issue
• Checked the PR locally:
  • npm run test -- brave_browser_tests, npm run test -- brave_unit_tests wiki
  • npm run presubmit wiki, npm run gn_check, npm run tslint
• Ran git rebase master (if needed)

Reviewer Checklist:

• A security review is not needed, or a link to one is included in the PR description
• New files have MPL-2.0 license header
• Adequate test coverage exists to prevent regressions
• Major classes, functions and non-trivial code blocks are well-commented
• Changes in component dependencies are properly reflected in gn
• Code follows the style guide
• Test plan is specified in PR before merging

After-merge Checklist:

• The associated issue milestone is set to the smallest version that the
  changes has landed on
• All relevant documentation has been updated, for instance:
  • https://github.com/brave/brave-browser/wiki/Deviations-from-Chromium-(features-we-disable-or-remove)
  • https://github.com/brave/brave-browser/wiki/Proxy-redirected-URLs
  • https://github.com/brave/brave-browser/wiki/Fingerprinting-Protections
  • https://github.com/brave/brave-browser/wiki/Brave%E2%80%99s-Use-of-Referral-Codes
  • https://github.com/brave/brave-browser/wiki/Web-Compatibility-Exceptions-in-Brave
  • https://github.com/brave/brave-browser/wiki/QA-Guide
  • https://github.com/brave/brave-browser/wiki/P3A

Test Plan:

[github-actions]

[puLL-Merge] - brave/brave-core@28225

Description

This PR updates several Rust dependencies within the Brave Core codebase, primarily upgrading various cryptographic and adblock-related libraries. The main changes include:

1. Upgrading base64 from v0.13 to v0.22
2. Upgrading adblock from v0.9.5 to v0.9.6
3. Upgrading challenge-bypass-ristretto from v2.0.0 to v2.0.2
4. Updating libsecp256k1 from v0.7.1 to v0.7.2
5. Updating star-constellation from v0.2.3 to v0.2.5

Changes

Changes

By filename:

components/brave_shields/adblock/rs/Cargo.toml:

• Updated adblock dependency version to 0.9.6-brave-core

components/challenge_bypass_ristretto/rust/cxx/Cargo.toml:

• Updated challenge-bypass-ristretto dependency to 2.0.2

components/filecoin/rs/BUILD.gn and Cargo.toml:

• Switched base64 dependency from v0.13 to v0.22
• Updated libsecp256k1 to v0.7.2

components/filecoin/rs/src/message.rs and signature.rs:

• Updated base64 import paths to use new prelude module
• Updated base64 encoding/decoding calls to use new BASE64_STANDARD constant

components/p3a/constellation/rs/cxx/Cargo.toml:

• Updated star-constellation dependency to 0.2.5

components/skus/browser/rs/lib/:

• Updated multiple dependencies including base64 and challenge-bypass-ristretto
• Modified code to use new base64 prelude and BASE64_STANDARD constant

sequenceDiagram
    participant Developer
    participant Cargo
    participant Dependencies
    participant Code

    Developer->>Cargo: Update dependency versions
    Cargo->>Dependencies: Fetch new versions
    Dependencies-->>Code: Update imports and APIs
    Note over Code: Update base64 usage
    Note over Code: Update crypto library calls
    Code-->>Developer: Apply changes

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[bridiver]

is build failure is due to https://github.com/brave/brave-core/pull/27762/files#r2005693863

[brave-builds]

Released in v1.78.56