Update Rust crate tempfile to v3.20.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
tempfile (source)	dependencies	minor	=3.19.1 -> =3.20.0

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Release Notes

Stebalien/tempfile (tempfile)

v3.20.0

Compare Source

This release mostly unifies the behavior/capabilities around "keeping" temporary files:

• Rename Builder::keep(bool) (via deprecation) to Builder::disable_cleanup(bool) to make it clear that behaves differently from NamedTempFile::keep(). The former disables automatic cleanup while the latter consumes the NamedTempFile object entirely and unsets the "temporary file" attribute (on Windows).
• Rename TempDir::into_path (via deprecation) to TempDir::keep to mirror NamedTempFile::keep.
• Add TempDir::disable_cleanup, NamedTempFile::disable_cleanup, and TempPath::disable_cleanup making it possible to disable automatic cleanup in-place after creating a temporary file/directory (equivalent to calling Builder::disable_cleanup before creating the file/directory).

Additionally, it adds a few spooled temporary file features:

• Add SpooledTempFile::into_file for turning a SpooledTempFile into a regular unnamed temporary file, writing it to the backing storage ("rolling" it) if it was still stored in-memory.
• Add spooled_tempfile_in and SpooledTempFile::new_in methods for creating spooled temporary files in a specific directory. This makes it possible to choose the backing device for your spooled temporary file which is rather important on Linux where the default temporary directory is likely backed by memory (defeating the entire point of having a spooled temporary file).

Finally, this release improves documentation, especially the top-level documentation explaining which temporary file type to use.

BREAKING for those with deny(warnings):

• Builder::keep deprecated in favor of Builder::disable_cleanup.
• TempDir::into_path is deprecated in favor of TempDir::keep.

BREAKING:

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