Threedi-modelchecker

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- Unmark checks 26, 27, 28 and 29 as beta.

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- Support marking checks as beta, so they will only be executed with allow_beta_features=True

- Add beta check 26 to make sure friction types with conveyance are only used on v2_cross_section_location

- Add beta check 27 to make sure friction types with conveyance are only used on tabulated rectangle,
tabulated trapezium, or tabulated yz shapes.

- Add beta check 28 to make sure cross-sections with conveyance friction monotonically increase in width

- Add beta check 29 to advise users to use friction with conveyance on cross-sections where it is possible,
but they haven't done so.

- Ignore TypeError raised on check 797 when grid_space is null.

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- Fixed check 204; it now only applies to broad crested weirs/orifices.

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- Ignore tiny floating-point deviations in RasterGridSizeCheck (check 798).

- Add check 327 to make sure vegetation drag is only used if the friction type is Chezy.

- Change log level of check 63 from ERROR to WARNING

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- Rewrite release workflow to use a supported github action for github release.

- Build the release with the build package instead of setuptools.

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- Fixed incorrect units in pumpstation check 66.