🤖 Update module github.com/gardener/gardener to v1.136.4 (#21)

Co-authored-by: ske-renovate-ce[bot] <163154779+ske-renovate-ce[bot]@users.noreply.github.com>

Author: ske-renovate-ce[bot]

go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/Masterminds/semver/v3 v3.4.0
 	github.com/coreos/go-systemd/v22 v22.7.0
 	github.com/gardener/etcd-druid/api v0.35.1
-	github.com/gardener/gardener v1.136.3
+	github.com/gardener/gardener v1.136.4
 	github.com/gardener/gardener-extension-networking-calico v1.56.0
 	github.com/gardener/gardener-extension-os-coreos v1.28.0
 	github.com/gardener/machine-controller-manager v0.61.2

go.sum

@@ -214,8 +214,8 @@ github.com/gardener/cert-management v0.19.0 h1:BNumdw748Pg9798NzxHmmpKuXFRLHSPuv
 github.com/gardener/cert-management v0.19.0/go.mod h1:u5OKwiDyUdCuW9vhDV92ozCVkynXUBrYCMHr4rVNiCY=
 github.com/gardener/etcd-druid/api v0.35.1 h1:hkd+5iV4xb7glnlo8rCqeXFIy9KmXF958x4une4cs6E=
 github.com/gardener/etcd-druid/api v0.35.1/go.mod h1:RwZzKp8K415AS0zg8VoODjBxYepCAUYyLgXnZc1bmbo=
-github.com/gardener/gardener v1.136.3 h1:6rKiBlaeR3pU/s5qUJRikTdHhDtrjGZaYwZouUysTCc=
-github.com/gardener/gardener v1.136.3/go.mod h1:+R1PnpJoZ1HE3g4GjzOfN2k2xTiZV1YPr0or1UYQ2kQ=
+github.com/gardener/gardener v1.136.4 h1:pu52bIrYEm5awp5CCy6ZZpMraSMWIYYXQxPzuFWXTPo=
+github.com/gardener/gardener v1.136.4/go.mod h1:+R1PnpJoZ1HE3g4GjzOfN2k2xTiZV1YPr0or1UYQ2kQ=
 github.com/gardener/gardener-extension-networking-calico v1.56.0 h1:onrs3CYYl12d+CtZnDVDTGYrgi9lFH01/LIWQLAnI2U=
 github.com/gardener/gardener-extension-networking-calico v1.56.0/go.mod h1:I6f0dL3p1NZnr8BnH7kZJmvS+NRwYyjbvQmvAZhVHJo=
 github.com/gardener/gardener-extension-os-coreos v1.28.0 h1:CcdcWGEq0EzLhzxRsT0JDGV+jWJ+rTq/VztkY6x9diY=