[pkg/ottl] Add StripHTML to OTTL converters #46449

Job	Run time
collector-build	6m 20s
docker-build	6m 22s
supervisor-test	51s
kubernetes-test-matrix (v1.30.0, receiver/k8sclusterreceiver)	6m 27s
kubernetes-test-matrix (v1.30.0, processor/k8sattributesprocessor)	6m 28s
kubernetes-test-matrix (v1.30.0, receiver/kubeletstatsreceiver)	3m 57s
kubernetes-test-matrix (v1.30.0, receiver/k8sobjectsreceiver)	3m 6s
kubernetes-test-matrix (v1.23.17, receiver/k8sclusterreceiver)	6m 33s
kubernetes-test-matrix (v1.23.17, processor/k8sattributesprocessor)	6m 18s
kubernetes-test-matrix (v1.23.17, receiver/kubeletstatsreceiver)	4m 4s
kubernetes-test-matrix (v1.23.17, receiver/k8sobjectsreceiver)	3m 22s
kubernetes-test	1s
	53m 49s

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