feature: `sealos create` support for environment variable based template rendering #5856

Job	Run time
resolve-modules	9s
golangci-lint (./staging/src/github.com/labring/controllers/infra)	59s
golangci-lint (./staging/src/github.com/labring/controllers/cluster)	1m 24s
golangci-lint (./staging/src/github.com/labring/controllers/imagehub)	53s
golangci-lint (./staging/src/github.com/labring/controllers/metering)	1m 6s
golangci-lint (./staging/src/github.com/labring/lvscare)	48s
golangci-lint (./staging/src/github.com/labring/image-cri-shim)	36s
golangci-lint (.)	1m 8s
golangci-lint (./test/e2e)	1m 24s
	8m 27s

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