net/slumber: update to 0.15.0

[0.15.0] - 2024-03-24
Added
    Add horizontal scrolling to response body (#111)
        Use shift+left and shift+right
    Add app version to help modal
    Add "Copy as cURL" action to recipe menu (#123)
    Add hotkeys to select different panes
    Add pane for rendered request
    Show response size in Response pane (#129)

Changed
    Run prompts while rendering request URL/body to be copied
    Improve UI design of profile pane
    Show raw bytes for binary responses

Fixed
    Reset response body query when changing recipes (#133)

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