Bump sigs.k8s.io/mdtoc from 1.1.0 to 1.4.0 #10696

Job	Run time
changes	7s
Verify Doc generation	54s
Build	3m 50s
test-go	3m 49s
Chart / Test	0s
Kubernetes (v1.27.13) / Kubernetes	45m 0s
Kubernetes (v1.26.15) / Kubernetes	47m 46s
Kubernetes (v1.28.9) / Kubernetes	43m 55s
Kubernetes (v1.29.4) / Kubernetes	45m 13s
Kubernetes (v1.30.0) / Kubernetes	44m 32s
Kubernetes chroot (v1.26.15) / Kubernetes CHROOT	47m 32s
Kubernetes chroot (v1.27.13) / Kubernetes CHROOT	44m 54s
Kubernetes chroot (v1.28.9) / Kubernetes CHROOT	45m 32s
Kubernetes chroot (v1.29.4) / Kubernetes CHROOT	44m 41s
Kubernetes chroot (v1.30.0) / Kubernetes CHROOT	51m 6s
Kubernetes with Validations (v1.26.15) / Kubernetes VALIDATIONS	46m 0s
Kubernetes with Validations (v1.27.13) / Kubernetes VALIDATIONS	44m 43s
Kubernetes with Validations (v1.28.9) / Kubernetes VALIDATIONS	45m 24s
Kubernetes with Validations (v1.29.4) / Kubernetes VALIDATIONS	44m 33s
Kubernetes with Validations (v1.30.0) / Kubernetes VALIDATIONS	44m 51s
	11h 34m 22s

Provide feedback