[SDS]: bump dd-sds version to 51fc3d11b6b24c9b1b1d74f8285b47c3d7faa253

[isabella-garza-datadog]

This PR bumps the dd-sds version from 5ccd2861b8daca861bc8409999b46710ff9bd910 to 51fc3d11b6b24c9b1b1d74f8285b47c3d7faa253.

The changes include:

• [SDSP-324] Add is_supporting_rule to RootRuleConfig and RootCompiledRule dd-sensitive-data-scanner#354
• Add provider separation test dd-sensitive-data-scanner#353
• Introduce a templating system to base64 encode variables dd-sensitive-data-scanner#352
• fix(scanner): move validate_matches outside block_on to prevent EnterError panic dd-sensitive-data-scanner#355

[datadog-official]

🎯 Code Coverage (details)
• Patch Coverage: 100.00%
• Overall Coverage: 85.17% (+0.00%)

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[Copilot]

Pull request overview

This PR updates the secrets crate’s dd-sds (dd-sensitive-data-scanner) git dependency to a newer commit, and refreshes Cargo.lock to reflect the updated transitive dependency graph.

Changes:

• Bump dd-sds git revision in crates/secrets/Cargo.toml to 51fc3d11b6b24c9b1b1d74f8285b47c3d7faa253.
• Update Cargo.lock to pin the new dd-sds source revision and reconcile transitive dependency versions.

Reviewed changes

Copilot reviewed 1 out of 2 changed files in this pull request and generated no comments.

File	Description
crates/secrets/Cargo.toml	Updates the dd-sds git rev used by the secrets scanner integration.
Cargo.lock	Locks the new dd-sds commit and associated dependency resolution changes.

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