Update Rust crate adw to 0.7

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
adw (source)	dependencies	minor	0.6 -> 0.7

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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: Cargo.lock

Command failed: cargo update --config net.git-fetch-with-cli=true --manifest-path Cargo.toml --workspace
    Updating git repository `https://github.com/vhdirk/gsettings-macro.git`
From https://github.com/vhdirk/gsettings-macro
 * [new ref]         b415a5d8b7c7d8c3124fbe42edd4f4e442dd94e7 -> refs/commit/b415a5d8b7c7d8c3124fbe42edd4f4e442dd94e7
    Updating crates.io index
error: failed to select a version for `gtk4-sys`.
    ... required by package `vte4-sys v0.7.0`
    ... which satisfies dependency `ffi = "^0.7"` of package `vte4 v0.7.1`
    ... which satisfies dependency `vte = "^0.7.1"` of package `terms v0.1.0 (/tmp/renovate/repos/github/vhdirk/terms)`
versions that meet the requirements `^0.8` are: 0.8.0, 0.8.2, 0.8.1

the package `gtk4-sys` links to the native library `gtk-4`, but it conflicts with a previous package which links to `gtk-4` as well:
package `gtk4-sys v0.9.0`
    ... which satisfies dependency `gtk-sys = "^0.9"` of package `libadwaita-sys v0.7.0`
    ... which satisfies dependency `ffi = "^0.7"` of package `libadwaita v0.7.0`
    ... which satisfies dependency `adw = "^0.7"` of package `terms v0.1.0 (/tmp/renovate/repos/github/vhdirk/terms)`
Only one package in the dependency graph may specify the same links value. This helps ensure that only one copy of a native library is linked in the final binary. Try to adjust your dependencies so that only one package uses the `links = "gtk-4"` value. For more information, see https://doc.rust-lang.org/cargo/reference/resolver.html#links.

failed to select a version for `gtk4-sys` which could resolve this conflict

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