metoppv/improver: 1.8.0

What's Changed

• Categorical plugin accepts deterministic conditions by @mspelman07 in https://github.com/metoppv/improver/pull/1965
• Optionally set a new name in max_in_height by @mspelman07 in https://github.com/metoppv/improver/pull/1970
• DOC: Installation instructions via conda by @cpelley in https://github.com/metoppv/improver/pull/1967
• Update categorical CLI to accept cubelist inputs by @mspelman07 in https://github.com/metoppv/improver/pull/1971
• amend_attributes can now add to an existing value, and add timestamps. by @MoseleyS in https://github.com/metoppv/improver/pull/1973
• Adds CLI to copy attributes from one NetCDF file to another. by @MoseleyS in https://github.com/metoppv/improver/pull/1976
• Bump actions/cache from 3 to 4 by @dependabot in https://github.com/metoppv/improver/pull/1977
• Bump codecov/codecov-action from 3 to 4 by @dependabot in https://github.com/metoppv/improver/pull/1942
• Bump actions/stale from 8 to 9 by @dependabot in https://github.com/metoppv/improver/pull/1972
• Revert "Bump codecov/codecov-action from 3 to 4" by @cpelley in https://github.com/metoppv/improver/pull/1978
• SnowSplitter output cube names are now the same as their StaGE couterparts by @MoseleyS in https://github.com/metoppv/improver/pull/1975
• Speed up rainforests prediction by @btrotta-bom in https://github.com/metoppv/improver/pull/1966
• Fix pinning to treelite rather than lightgbm. by @benowen-bom in https://github.com/metoppv/improver/pull/1981
• Remove black strangeness by @bayliffe in https://github.com/metoppv/improver/pull/1980

Full Changelog: https://github.com/metoppv/improver/compare/1.7.1...1.8.0