v0.4.0 CSET was a static site generator all along!?

Containing many months of work, this release contains many usability improvements, new generic operators, and a big change to the output, where it is now generated as handily viewable HTML pages.

What's Changed

• Update version to 0.4.0 by James Frost (@jfrost-mo) in #180
• Postage stamp plots by James Frost (@jfrost-mo) in #160
• Add collapse operator with corresponding yaml file and changes by Sylvia Bohnenstengel (@Sylviabohnenstengel) in #168
• Make plot.contour_plot and write.write_cube_to_nc return a cube by James Frost (@jfrost-mo) in #183
• Postage stamp plot fix by James Frost (@jfrost-mo) in #181
• Document collapse operator by James Frost (@jfrost-mo) in #185
• Refactor tests to use PyTest helpers by James Frost (@jfrost-mo) in #177
• Document installing CSET into its own environment by James Frost (@jfrost-mo) in #198
• Update README.md by Sylvia Bohnenstengel (@Sylviabohnenstengel) in #206
• Use hash of updated lock files in branch name by James Frost (@jfrost-mo) in #201
• Add note on updating a cloned repository by James Frost (@jfrost-mo) in #190
• Skip build-docs on push to main by James Frost (@jfrost-mo) in #200
• Python 3.12 support by James Frost (@jfrost-mo) in #202
• Update README.md by Sylvia Bohnenstengel (@Sylviabohnenstengel) in #225
• Update README.md by Sylvia Bohnenstengel (@Sylviabohnenstengel) in #226
• Update why-cset.rst by Sylvia Bohnenstengel (@Sylviabohnenstengel) in #227
• Fix globbing for lock file hashing by James Frost (@jfrost-mo) in #229
• Update index.rst by Sylvia Bohnenstengel (@Sylviabohnenstengel) in #228
• Update index.rst by Sylvia Bohnenstengel (@Sylviabohnenstengel) in #230
• Use static branch name while updating lock files by James Frost (@jfrost-mo) in #245
• Swap out flake8 for Ruff by James Frost (@jfrost-mo) in #218
• Including aggregate operator. by Sylvia Bohnenstengel (@Sylviabohnenstengel) in #241
• Fix filter operator for filtering cube by David Flack (@daflack) in #258
• Fix pre-commit mangling test data by James Frost (@jfrost-mo) in #273
• Improve tutorials by James Frost (@jfrost-mo) in #209
• Model level constraint operator by Sylvia Bohnenstengel (@Sylviabohnenstengel) in #272
• Plot generation improvements by James Frost (@jfrost-mo) in #274

New Contributors

• David Flack (@daflack) made their first contribution in #258

Full Changelog: v0.3.0...v0.4.0