build: bump github.com/cyphar/filepath-securejoin from 0.3.6 to 0.4.0

Bumps [github.com/cyphar/filepath-securejoin](https://github.com/cyphar/filepath-securejoin) from 0.3.6 to 0.4.0.
- [Release notes](https://github.com/cyphar/filepath-securejoin/releases)
- [Changelog](https://github.com/cyphar/filepath-securejoin/blob/main/CHANGELOG.md)
- [Commits](cyphar/filepath-securejoin@v0.3.6...v0.4.0)

---
updated-dependencies:
- dependency-name: github.com/cyphar/filepath-securejoin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

go.mod

@@ -4,7 +4,7 @@ module github.com/go-git/go-billy/v5
 go 1.21
 
 require (
-	github.com/cyphar/filepath-securejoin v0.3.6
+	github.com/cyphar/filepath-securejoin v0.4.0
 	github.com/stretchr/testify v1.10.0
 	golang.org/x/sys v0.29.0
 )

go.sum

@@ -1,5 +1,5 @@
-github.com/cyphar/filepath-securejoin v0.3.6 h1:4d9N5ykBnSp5Xn2JkhocYDkOpURL/18CYMpo6xB9uWM=
-github.com/cyphar/filepath-securejoin v0.3.6/go.mod h1:Sdj7gXlvMcPZsbhwhQ33GguGLDGQL7h7bg04C/+u9jI=
+github.com/cyphar/filepath-securejoin v0.4.0 h1:PioTG9TBRSApBpYGnDU8HC+miIsX8vitBH9LGNNMoLQ=
+github.com/cyphar/filepath-securejoin v0.4.0/go.mod h1:Sdj7gXlvMcPZsbhwhQ33GguGLDGQL7h7bg04C/+u9jI=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=