fix(deps): update rust crate system-deps to v7

This PR contains the following updates:

Package	Type	Update	Change
system-deps	dependencies	major	`6` -> `7`

Release Notes

gdesmott/system-deps (system-deps)

### [`v7.0.3`](https://redirect.github.com/gdesmott/system-deps/blob/HEAD/CHANGELOG.md#703---2024-09-22) [Compare Source](https://redirect.github.com/gdesmott/system-deps/compare/v7.0.2...v7.0.3) ##### Other - Update cfg-expr to 0.17 ### [`v7.0.2`](https://redirect.github.com/gdesmott/system-deps/blob/HEAD/CHANGELOG.md#702---2024-08-16) [Compare Source](https://redirect.github.com/gdesmott/system-deps/compare/v7.0.1...v7.0.2) ##### Fixed - fix new clippy warning ##### Other - Add `cargo:rerun-if-changed=Cargo.toml` to config probe - Fix some errors in docs - update to cfg-expr 0.16 ### [`v7.0.1`](https://redirect.github.com/gdesmott/system-deps/blob/HEAD/CHANGELOG.md#701---2024-06-18) [Compare Source](https://redirect.github.com/gdesmott/system-deps/compare/v7.0.0...v7.0.1) ##### Other - bump minimal pkg-config version to 0.3.25 ### [`v7.0.0`](https://redirect.github.com/gdesmott/system-deps/blob/HEAD/CHANGELOG.md#700---2024-06-17) [Compare Source](https://redirect.github.com/gdesmott/system-deps/compare/v6.2.2...v7.0.0) ##### Fixed - fix new clippy warning ##### Other - Add support for linker flags - reformat - update itertools dep

Configuration

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⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

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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 system-deps@6.2.2 --precise 7.0.3
    Updating crates.io index
error: failed to select a version for the requirement `system-deps = "^6.0"`
candidate versions found which didn't match: 7.0.3
location searched: crates.io index
required by package `aom-sys v0.3.3`
    ... which satisfies dependency `aom-sys = "^0.3.3"` (locked to 0.3.3) of package `rav1e v0.7.0 (/tmp/renovate/repos/github/xiph/rav1e)`

xiph / rav1e