feat: add `pr-number` input #112

Job	Run time
ci (tofu, fail_data_source_error)	12s
ci (tofu, fail_format_diff)	12s
ci (terraform, pass_one)	12s
ci (terraform, fail_data_source_error)	8s
ci (tofu, fail_invalid_resource_type)	14s
ci (terraform, fail_invalid_resource_type)	8s
ci (terraform, pass_character_limit)	26s
ci (terraform, fail_format_diff)	10s
ci (tofu, pass_one)	11s
ci (tofu, pass_character_limit)	31s
	2m 24s

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