`r/aws_route53_resolver_endpoint`: add `protocols` #30751

Job	Run time
markdown-link-check-a-h-markdown	5m 3s
markdown-link-check-i-z-markdown	5m 38s
markdown-link-check-md	15s
markdown-lint	32s
terrafmt	29s
misspell	25s
tflint	24m 43s
	37m 5s

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