metoppv/improver: 1.5.0

What's Changed MOBT-500: Phase probability plugin and cli modification to allow no radius to be used by @bayliffe in https://github.com/metoppv/improver/pull/1902 Mobt 496 enforce forecast consistency by @brhooper in https://github.com/metoppv/improver/pull/1900 Thresholding masked data by @mspelman07 in https://github.com/metoppv/improver/pull/1905 MOBT-494: Phase probability plugin without percentile generation by @bayliffe in https://github.com/metoppv/improver/pull/1903 MOBT-494: Model blending of spot forecasts by @bayliffe in https://github.com/metoppv/improver/pull/1904 MOBT-494: Modify day night mask to work with spot data. by @bayliffe in https://github.com/metoppv/improver/pull/1910 Mobt 496 enforce forecast between references by @brhooper in https://github.com/metoppv/improver/pull/1907 MOBT512-masking percentiles for cloud base height by @mspelman07 in https://github.com/metoppv/improver/pull/1908 MOBT-494: Cube title setting in weather symbol code by @bayliffe in https://github.com/metoppv/improver/pull/1912 Mobt515 cloud base height spot extraction by @mspelman07 in https://github.com/metoppv/improver/pull/1911 Updates Broadcast and expand_bounds in Combine Plugin by @mspelman07 in https://github.com/metoppv/improver/pull/1914 Update cbh ecc name by @mspelman07 in https://github.com/metoppv/improver/pull/1922 Add CLI for clipping cubes by @mspelman07 in https://github.com/metoppv/improver/pull/1918 Correct handling of reference time in weather_code plugin by @MoseleyS in https://github.com/metoppv/improver/pull/1920 Support conversion from percentiles to probabilities by @gavinevans in https://github.com/metoppv/improver/pull/1924 Add plugins to support rescaling of the forecast based on altitude difference by @gavinevans in https://github.com/metoppv/improver/pull/1916 Changes to the modal code to increase the percentage to 30% and alter some of the groupings to give a better daily summary symbol. by @Katie-Howard in https://github.com/metoppv/improver/pull/1925 Add CLIs to support rescaling of the forecast based on altitude difference by @gavinevans in https://github.com/metoppv/improver/pull/1917 Skip ECC bounds usage when converting probabilities to percentiles by @gavinevans in https://github.com/metoppv/improver/pull/1926 Add function which normalises input cubes according to a reference by @brhooper in https://github.com/metoppv/improver/pull/1919 Fix to the wind vertical displacement adjustment implementation by @bayliffe in https://github.com/metoppv/improver/pull/1927 Full Changelog: https://github.com/metoppv/improver/compare/1.4.0...1.5.