[chore] Try adding merge_group to more jobs #26559

Job	Run time
collector-build	6m 23s
docker-build	6m 5s
kubernetes-test-matrix (v1.26.0, receiver/k8sclusterreceiver)	4m 55s
kubernetes-test-matrix (v1.26.0, processor/k8sattributesprocessor)	3m 56s
kubernetes-test-matrix (v1.26.0, receiver/kubeletstatsreceiver)	4m 33s
kubernetes-test-matrix (v1.26.0, receiver/k8sobjectsreceiver)	3m 25s
kubernetes-test-matrix (v1.25.3, receiver/k8sclusterreceiver)	5m 10s
kubernetes-test-matrix (v1.25.3, processor/k8sattributesprocessor)	3m 35s
kubernetes-test-matrix (v1.25.3, receiver/kubeletstatsreceiver)	4m 27s
kubernetes-test-matrix (v1.25.3, receiver/k8sobjectsreceiver)	3m 35s
kubernetes-test-matrix (v1.24.7, receiver/k8sclusterreceiver)	5m 3s
kubernetes-test-matrix (v1.24.7, processor/k8sattributesprocessor)	3m 37s
kubernetes-test-matrix (v1.24.7, receiver/kubeletstatsreceiver)	4m 28s
kubernetes-test-matrix (v1.24.7, receiver/k8sobjectsreceiver)	3m 45s
kubernetes-test-matrix (v1.23.13, receiver/k8sclusterreceiver)	5m 26s
kubernetes-test-matrix (v1.23.13, processor/k8sattributesprocessor)	4m 41s
kubernetes-test-matrix (v1.23.13, receiver/kubeletstatsreceiver)	4m 25s
kubernetes-test-matrix (v1.23.13, receiver/k8sobjectsreceiver)	3m 51s
supervisor-test	1m 15s
kubernetes-test	1s
	1h 22m 36s

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