feat: Cloudwatch log group `skip_destroy` and `log_group_class` #267

Job	Run time
Collect workflow inputs	4s
Max TF pre-commit	47s
Min TF pre-commit (.)	22s
Min TF pre-commit (./examples/global-cluster)	19s
Min TF pre-commit (./examples/postgresql)	17s
Min TF pre-commit (./examples/s3-import)	17s
Min TF pre-commit (./examples/serverless)	19s
Min TF pre-commit (./examples/multi-az)	26s
Min TF pre-commit (./examples/mysql)	20s
Min TF pre-commit (./examples/autoscaling)	20s
	3m 31s

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