chore(deps): update rust crate reqwest to 0.13

[dd-octo-sts]

This PR contains the following updates:

Package	Type	Update	Change
reqwest	dev-dependencies	minor	0.12 → 0.13

📦 Cargo Dependency Update

This PR groups multiple non-major Rust dependency updates together.

---

• Version Upgrader Overview

• Questions or feedback? Ask in #adms-upgrades-feedback

🤖 Generated by ADMS (Automated Dependency Management System)

⚠️ Cargo Pre-1.0 Breaking Update

This PR updates a pre-1.0 Rust dependency with a minor version bump that is a breaking change in Cargo semver (e.g. ^0.9 does not include 0.10).

[dd-octo-sts]

⚠️ 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: src/user-management-service/Cargo.lock

Command failed: cargo update --config net.git-fetch-with-cli=true --manifest-path src/user-management-service/src/integration_tests/Cargo.toml --workspace
error: rustup could not choose a version of cargo to run, because one wasn't specified explicitly, and no default is configured.
help: run 'rustup default stable' to download the latest stable release of Rust and set it as your default toolchain.