Update Rust crate prettyplease to 0.2

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
prettyplease	dependencies	minor	0.1 -> 0.2

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Release Notes

dtolnay/prettyplease

v0.2.4

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• Improve formatting of path generics in the trait part of qpath

v0.2.3

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• Improve formatting of match arms (#​45)

v0.2.2

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• Fill in even more Verbatim item support

v0.2.1

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• Improve support for some Verbatim variants

v0.2.0

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• Update syn dependency to 2.x

v0.1.25

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• Fix printing of trailing comma after reordered generic params (#​36)

v0.1.24

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• Set html_root_url attribute

v0.1.23

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• Update where-clause placement of generic associated types (#​33, thanks @​wada314)

v0.1.22

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• Documentation improvements

v0.1.21

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• Fix formatting of multiline doc comments containing */ in the value (#​31)

v0.1.20

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• Fix comma before variadic in extern function signature (#​29)

v0.1.19

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• Improve indentation of multi-line else if condition (#​28)

v0.1.18

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• Add categories to crates.io metadata

v0.1.17

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• Documentation improvements

v0.1.16

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• Strip off empty angle bracketed generic arguments (#​26)

v0.1.15

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• Support feature(generic_arg_infer)
• Support feature(inline_const)
• Support feature(associated_const_equality)
• Support type aliases inside foreign modules

v0.1.14

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• Improve indentation of method calls that have a multiline turbofish (#​23)
• Improve formatting of closures with multiline body (#​24)

v0.1.13

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• Support for raw reference syntax — &raw const expr, &raw mut expr (#​21)

v0.1.12

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• Expose prettyplease version number as env::var("DEP_PRETTYPLEASE01_VERSION") to downstream build scripts (#​20)

v0.1.11

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• Fix indentation of multiline return types (#​17)

v0.1.10

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• Trim trailing spaces from comments (#​16)

v0.1.9

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• Support variadic functions with a named variadic arg (#​14)

v0.1.8

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• Remove support for inner attributes on non-block expressions (#​9, https://github.com/rust-lang/rust/pull/83312)
• Improve spacing of nested macro calls (#​11)

v0.1.7

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• Tweak spacing around equal-sign inside attributes
• Render empty verbatim item as a blank line

v0.1.6

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• Improve spacing of UseTree::Group involving empty groups

v0.1.5

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• Automatically insert in token into VisRestricted when required (#​7)

v0.1.4

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• Improve formatting of or-patterns
• Fix paren patterns gaining an incorrect comma

v0.1.3

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• Improve formatting of method chains in statement position and inside of macro calls
• Omit trailing comma inside attribute lists that fit on one line
• Improve formatting of associated type definitions in an impl block

v0.1.2

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• Improve formatting of Expr::Struct expressions in which the struct's path has generic parameters broken across lines
• Improve formatting of function call expressions containing a single Block argument
• Improve formatting of outer attributes on arguments of a function call
• Improve formatting of expressions containing empty blocks

v0.1.1

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• Fix missing inner attributes inside of a Pat::Tuple expression
• Fix trailing comma inside of a tuple of size 1
• Improve formatting of the rhs of a type alias

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