Update mdbook to version 0.4.36 / rev 16 via SR 1141734
    
    https://build.opensuse.org/request/show/1141734
    by user uncomfyhalomacro + anag+factory
    - Fix FTBFS by updating how we use obs-service-cargo to automate
      vendoring of dependencies.
    - Update to version 0.4.36:
      * Added
        - Added Nim to the default highlighted languages.
        - Added a small indicator for the sidebar resize handle.
      * Changed
        - Updated dependencies. MSRV raised to 1.70.0.
      * Fixed
        - Fixed blank column in print page when the sidebar was visible.
        - Fixed indentation of code blocks when Javascript is disabled.
        - Fixed a panic when mdbook serve or mdbook watch were given certain kinds of paths.
    - Update vendored dependencies.