fix(deps): update module mvdan.cc/gofumpt to v0.6.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mvdan.cc/gofumpt	v0.2.1 -> v0.6.0

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Release Notes

mvdan/gofumpt (mvdan.cc/gofumpt)

v0.6.0

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This release is based on Go 1.21's gofmt, and requires Go 1.20 or later.

The following changes are included:

• Support go version strings from newer go.mod files - [#​280]
• Consider simple error checks even if they use the = operator - [#​271]
• Ignore //line directives to avoid panics - [#​288]

v0.5.0

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This release is based on Go 1.20's gofmt, and requires Go 1.19 or later.

The biggest change in this release is that we now vendor copies of the packages
go/format, go/printer, and go/doc/comment on top of cmd/gofmt itself.
This allows for each gofumpt release to format code in exactly the same way
no matter what Go version is used to build it, as Go versions can change those
three packages in ways that alter formatting behavior.

This vendoring adds a small amount of duplication when using the
mvdan.cc/gofumpt/format library, but it's the only way to make gofumpt
versions consistent in their behavior and formatting, just like gofmt.

The jump to Go 1.20's go/printer should also bring a small performance
improvement, as we contributed patches to make printing about 25% faster:

• https://go.dev/cl/412555
• https://go.dev/cl/412557
• https://go.dev/cl/424924

The following changes are included as well:

• Skip testdata dirs by default like we already do for vendor - [#​260]
• Avoid inserting newlines incorrectly in some func signatures - [#​235]
• Avoid joining some comments with the previous line - [#​256]
• Fix gofumpt -version for release archives - [#​253]

v0.4.0

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This release is based on Go 1.19's gofmt, and requires Go 1.18 or later.
We recommend building gofumpt with Go 1.19 for the best formatting results.

The jump from Go 1.18 brings diffing in pure Go, removing the need to exec diff,
and a small parsing speed-up thanks to go/parser.SkipObjectResolution.

The following formatting fixes are included as well:

• Allow grouping declarations with comments - [#​212]
• Properly measure the length of case clauses - [#​217]
• Fix a few crashes found by Go's native fuzzing

v0.3.1

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This bugfix release resolves a number of issues:

• Avoid "too many open files" error regression introduced by [v0.3.0] - [#​208]
• Use the go.mod relative to each Go file when deriving flag defaults - [#​211]
• Remove unintentional debug prints when directly formatting files

v0.3.0

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This is gofumpt's third major release, based on Go 1.18's gofmt.
The jump from Go 1.17's gofmt should bring a noticeable speed-up,
as the tool can now format many files concurrently.
On an 8-core laptop, formatting a large codebase is 4x as fast.

The following formatting rules are added:

• Functions should separate ) { where the indentation helps readability
• Field lists should not have leading or trailing empty lines

The following changes are included as well:

• Generated files are now fully formatted when given as explicit arguments
• Prepare for Go 1.18's module workspaces, which could cause errors
• Import paths sharing a prefix with the current module path are no longer
  grouped with standard library imports
• format.Options gains a ModulePath field per the last bullet point

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Configuration

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.35%. Comparing base (fc56785) to head (27ba0ea).

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #21   +/-   ##
=======================================
  Coverage   80.35%   80.35%           
=======================================
  Files           9        9           
  Lines         285      285           
=======================================
  Hits          229      229           
  Misses         50       50           
  Partials        6        6           

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