Changelog
* cbb4517402b1ccd61edd4b94fc8380f112efda37 Add documentation for concurrency support
* 63c62870e6500be4caf84ace032f83a9bacce0b0 Check that dockerignore is compatibile with cog (2210)
* 1ccc20b6a736a305b0001b46a8be89aef220c0ab Fix conditional on util package (2207)
* e75aee73ec0c9815cab874765c66b2e918bd2200 Remove tests from fast-build cog.yaml (2202)
* f8997dc8d8362f2f674a64feb6e8d27f37cc656e Revert "Support Python requirements package[extra,...]==version (2160)"
* 06191ce9f3d2c36e986b85a9f54ff6028b7ba59e Skip weights that are ignored in dockerignore (2213)
* edd038500be8fdcaaee18691f3a65e620e7320f9 Warn the user when they use deprecated fields (2203)