Test

Add ShellCheck feature #15

Job	Run time
Feature actionlint	20s
Feature actionlint	44s
Feature actionlint » debian:latest	10s
Feature actionlint » debian:latest	14s
Feature postgresql-client	22s
Feature postgresql-client	50s
Feature actionlint » ubuntu:latest	18s
Feature actionlint » ubuntu:latest	26s
Feature shellcheck	21s
Feature shellcheck	19s
Feature actionlint » mcr.microsoft.com/devcontainers/base:ubuntu	22s
Feature actionlint » mcr.microsoft.com/devcontainers/base:ubuntu	20s
Feature postgresql-client » debian:latest	14s
Feature postgresql-client » debian:latest	25s
Feature postgresql-client » ubuntu:latest	9s
Feature postgresql-client » ubuntu:latest	19s
Feature postgresql-client » mcr.microsoft.com/devcontainers/base:ubuntu	11s
Feature postgresql-client » mcr.microsoft.com/devcontainers/base:ubuntu	26s
Feature shellcheck » debian:latest	12s
Feature shellcheck » debian:latest	19s
Feature shellcheck » ubuntu:latest	20s
Feature shellcheck » ubuntu:latest	20s
Feature shellcheck » mcr.microsoft.com/devcontainers/base:ubuntu	19s
Feature shellcheck » mcr.microsoft.com/devcontainers/base:ubuntu	26s
	8m 26s

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