Fix clippy warnings

[MarkusPettersson98]

This PR fixes new clippy lints from the latest release

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This change is 

[dlon]

Reviewed 2 of 2 files at r1, 1 of 1 files at r2, 1 of 1 files at r3, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved

[hulthe]

Reviewed 2 of 2 files at r1, 1 of 1 files at r2, 1 of 1 files at r3, all commit messages.
Reviewable status: all files reviewed, 2 unresolved discussions (waiting on @MarkusPettersson98)

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mullvad-daemon/src/macos_launch_daemon.rs line 81 at r3 (raw file):

    /// It must be kept in sync with the path defined in
    /// `dist-assets/pkg-scripts/postinstall`.
    const DAEMON_PLIST_PATH: &CStr = c"/Library/LaunchDaemons/net.mullvad.daemon.plist";

:amaze: that Cippy catched this :D

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mullvad-cli/src/cmds/relay.rs line 398 at r3 (raw file):

    }

    // Get active relays which are not bridges.

Hue? shouldn't this be a docstring?

[MarkusPettersson98]

Reviewable status: 3 of 4 files reviewed, 1 unresolved discussion (waiting on @dlon and @hulthe)

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mullvad-cli/src/cmds/relay.rs line 398 at r3 (raw file):

Previously, hulthe (Joakim Hulthe) wrote…

Hue? shouldn't this be a docstring?

Yes. 🙈

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mullvad-daemon/src/macos_launch_daemon.rs line 81 at r3 (raw file):

Previously, hulthe (Joakim Hulthe) wrote…

:amaze: that Cippy catched this :D

So good! ✨

[hulthe]

Reviewed 1 of 1 files at r4, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved

[hulthe]

Reviewed 1 of 1 files at r5, 1 of 1 files at r6, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved