Address string issue in Groovy

[IanHoang]

Description

This error was encountered in Jenkins:

WorkflowScript: 19: illegal string body character after dollar sign;
   solution: either escape a literal dollar sign "\$5" or bracket the value expression "${5}" @ line 19, column 70.
   SCRIPT_WITH_COMMANDS', value: [
                                 ^

1 error

Adding a quick fix.
[Describe how this change was tested]

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