fix(deps): update temporal-sdk-core digest to 44a6576

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
temporal-sdk-core	dependencies	digest	aebb0a5 -> 44a6576

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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: core/rust/Cargo.lock

Command failed: cargo update --config net.git-fetch-with-cli=true --manifest-path core/rust/Cargo.toml --workspace
    Updating crates.io index
    Updating git repository `https://github.com/temporalio/sdk-core`
error: no matching package named `temporal-sdk-core` found
location searched: Git repository https://github.com/temporalio/sdk-core?rev=44a6576bbaac589b28afa173ca6d60757a4d821d
required by package `temporal_bridge v0.1.0 (/tmp/renovate/repos/github/MercuryTechnologies/hs-temporal-sdk/core/rust)`