build(deps): bump mvdan.cc/gofumpt from 0.3.1 to 0.4.0

Bumps [mvdan.cc/gofumpt](https://github.com/mvdan/gofumpt) from 0.3.1 to 0.4.0.
- [Release notes](https://github.com/mvdan/gofumpt/releases)
- [Changelog](https://github.com/mvdan/gofumpt/blob/master/CHANGELOG.md)
- [Commits](mvdan/gofumpt@v0.3.1...v0.4.0)

---
updated-dependencies:
- dependency-name: mvdan.cc/gofumpt
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

go.mod

@@ -110,7 +110,7 @@ require (
 	golang.org/x/tools v0.1.12
 	gopkg.in/yaml.v3 v3.0.1
 	honnef.co/go/tools v0.3.3
-	mvdan.cc/gofumpt v0.3.1
+	mvdan.cc/gofumpt v0.4.0
 	mvdan.cc/interfacer v0.0.0-20180901003855-c20040233aed
 	mvdan.cc/unparam v0.0.0-20220706161116-678bad134442
 )
@@ -178,7 +178,7 @@ require (
 	golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e // indirect
 	golang.org/x/exp/typeparams v0.0.0-20220827204233-334a2380cb91 // indirect
 	golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 // indirect
-	golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4 // indirect
+	golang.org/x/sync v0.0.0-20220819030929-7fc1605a5dde // indirect
 	golang.org/x/sys v0.0.0-20220829200755-d48e67d00261 // indirect
 	golang.org/x/text v0.3.7 // indirect
 	google.golang.org/protobuf v1.28.0 // indirect