pigz uncompress missing backslash

[ljwharbers]

Have you checked the docs?

• nf-core website: troubleshooting
• nf-core modules documentation

Description of the bug

Missing backslash in the stub of pigz/uncompress module results in the following error/warning:
unknown recognition error type: groovyjarjarantlr4.v4.runtime.LexerNoViableAltException

Current:

    stub:
    def args = task.ext.args ?: ''
    uncompressed_filename = zip.toString() - '.gz'
    """
    touch ${zip.dropRight(3)}

    cat <<-END_VERSIONS > versions.yml
    "${task.process}":
        pigz: \$(echo \$(pigz --version 2>&1) | sed 's/^.*pigz\w*//' ))
    END_VERSIONS
    """

Should be:

    stub:
    def args = task.ext.args ?: ''
    uncompressed_filename = zip.toString() - '.gz'
    """
    touch ${zip.dropRight(3)}

    cat <<-END_VERSIONS > versions.yml
    "${task.process}":
        pigz: \$(echo \$(pigz --version 2>&1) | sed 's/^.*pigz\\w*//' ))
    END_VERSIONS
    """

Command used and terminal output

No response

Relevant files

No response

System information

No response