Update cheatsheets

tldr/uv-export

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# uv export
+
+> Export the project's lockfile to an alternate format.
+> More information: <https://docs.astral.sh/uv/reference/cli/#uv-export>.
+
+- Export dependencies to a `requirements.txt` file:
+
+`uv export --format requirements-txt {{[-o|--output-file]}} {{requirements.txt}}`
+
+- Export dependencies to `pylock.toml` format:
+
+`uv export --format pylock.toml`
+
+- Export only production dependencies (exclude dev dependencies):
+
+`uv export --no-dev`
+
+- Export including a specific optional dependency group:
+
+`uv export --extra {{group_name}}`
+
+- Export including all optional dependencies:
+
+`uv export --all-extras`
+
+- Export including a specific dependency group:
+
+`uv export --group {{group_name}}`
+
+- Export without hashes:
+
+`uv export --no-hashes`
+
+- Export dependencies for a specific package in the workspace:
+
+`uv export --package {{package_name}}`