bump: Update k8s versions and add testing on v1.28.0 #8219

Job	Run time
calico-kind	43m 40s
kind-afxdp	6m 28s
kind (v1.28.0)	59m 49s
kind-ipv6	8m 40s
kind (v1.27.2)	58m 56s
kind (v1.26.4)	1h 0m 53s
interdomain-kind	38m 49s
kind (v1.25.11)	1h 2m 48s
kind (v1.24.15)	1h 3m 24s
shellcheck / shellcheck	12s
kind (v1.23.17)	1h 0m 9s
kind (v1.22.17)	59m 24s
yamllint / yamllint	10s
kind (v1.21.14)	1h 14m 54s
kind (v1.20.15)	1h 12m 32s
exclude-fmt-errorf / exclude-fmt-errorf	3s
checkgomod / checkgomod	16s
golangci-lint / golangci-lint	21s
	11h 11m 28s

Provide feedback