Bump github.com/gardener/gardener from 1.86.0 to 1.86.1

Bumps [github.com/gardener/gardener](https://github.com/gardener/gardener) from 1.86.0 to 1.86.1.
- [Release notes](https://github.com/gardener/gardener/releases)
- [Commits](gardener/gardener@v1.86.0...v1.86.1)

---
updated-dependencies:
- dependency-name: github.com/gardener/gardener
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

go.mod

@@ -4,7 +4,7 @@ go 1.21
 
 require (
 	github.com/ahmetb/gen-crd-api-reference-docs v0.3.0
-	github.com/gardener/gardener v1.86.0
+	github.com/gardener/gardener v1.86.1
 	github.com/go-logr/logr v1.2.4
 	github.com/onsi/ginkgo/v2 v2.13.0
 	github.com/onsi/gomega v1.29.0

go.sum

@@ -136,8 +136,8 @@ github.com/fsnotify/fsnotify v1.6.0 h1:n+5WquG0fcWoWp6xPWfHdbskMCQaFnG6PfBrh1Ky4
 github.com/fsnotify/fsnotify v1.6.0/go.mod h1:sl3t1tCWJFWoRz9R8WJCbQihKKwmorjAbSClcnxKAGw=
 github.com/gardener/etcd-druid v0.21.0 h1:kgr3KR+lVL4+k2WD+9PMrTY1eePkQ7CZHSCB5A+Q9TQ=
 github.com/gardener/etcd-druid v0.21.0/go.mod h1:1tAeHycB0Vb2GfCX6sUCc6V6frGrCQI//quVg4K3GNA=
-github.com/gardener/gardener v1.86.0 h1:r0DjNZbUc2F/feWDrySZ/AU/5LAr0LoKXdraFtPb6NQ=
-github.com/gardener/gardener v1.86.0/go.mod h1:8eHlXs2EkaghrgQwK8qEiVw3dZGpNJaq+I9IkPpReA4=
+github.com/gardener/gardener v1.86.1 h1:qWfT09rAuo6WodMxiduX7DE+1O9Jhv/HJl1zVl5mo0U=
+github.com/gardener/gardener v1.86.1/go.mod h1:8eHlXs2EkaghrgQwK8qEiVw3dZGpNJaq+I9IkPpReA4=
 github.com/gardener/hvpa-controller/api v0.5.0 h1:f4F3O7YUrenwh4S3TgPREPiB287JjjUiUL18OqPLyAA=
 github.com/gardener/hvpa-controller/api v0.5.0/go.mod h1:QQl3ELkCaki+8RhXl0FZMfvnm0WCGwGJlGmrxJj6lvM=
 github.com/gardener/machine-controller-manager v0.50.0 h1:3dcQjzueFU1TGgprV00adjb3OCR99myTBx8DQGxywks=