Bump github.com/coreos/butane from 0.24.0 to 0.25.0 (#501)

Bumps [github.com/coreos/butane](https://github.com/coreos/butane) from 0.24.0 to 0.25.0.
- [Release notes](https://github.com/coreos/butane/releases)
- [Changelog](https://github.com/coreos/butane/blob/main/docs/release-notes.md)
- [Commits](coreos/butane@v0.24.0...v0.25.0)

---
updated-dependencies:
- dependency-name: github.com/coreos/butane
  dependency-version: 0.25.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

go.mod

@@ -4,7 +4,7 @@ go 1.24.0
 
 require (
 	github.com/Masterminds/sprig v2.22.0+incompatible
-	github.com/coreos/butane v0.24.0
+	github.com/coreos/butane v0.25.0
 	github.com/gardener/machine-controller-manager v0.60.0
 	github.com/imdario/mergo v0.3.16
 	github.com/ironcore-dev/controller-utils v0.9.9

go.sum

@@ -16,8 +16,8 @@ github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UF
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/clarketm/json v1.17.1 h1:U1IxjqJkJ7bRK4L6dyphmoO840P6bdhPdbbLySourqI=
 github.com/clarketm/json v1.17.1/go.mod h1:ynr2LRfb0fQU34l07csRNBTcivjySLLiY1YzQqKVfdo=
-github.com/coreos/butane v0.24.0 h1:sput//CnGz1ZUNT3TaSpbgjAjlefGC+/Ikiiwl5wO9Q=
-github.com/coreos/butane v0.24.0/go.mod h1:mLu58/AgW6lC116Rf/9N5b+ixj/zdhRtABBZjADHWFo=
+github.com/coreos/butane v0.25.0 h1:hOedIb6hKLeahVjGOaDX6ri3CKeFTzCrfWbvZUrt0gQ=
+github.com/coreos/butane v0.25.0/go.mod h1:mLu58/AgW6lC116Rf/9N5b+ixj/zdhRtABBZjADHWFo=
 github.com/coreos/go-json v0.0.0-20230131223807-18775e0fb4fb h1:rmqyI19j3Z/74bIRhuC59RB442rXUazKNueVpfJPxg4=
 github.com/coreos/go-json v0.0.0-20230131223807-18775e0fb4fb/go.mod h1:rcFZM3uxVvdyNmsAV2jopgPD1cs5SPWJWU5dOz2LUnw=
 github.com/coreos/go-semver v0.3.1 h1:yi21YpKnrx1gt5R+la8n5WgS0kCrsPp33dmEyHReZr4=