fix TODO in run_metrics.sh to give usage: msg if --help, -h, or if t…

[rjbdev05]

…oo few arguments give to script

Description

• <update run_metrics.sh with new parse_args() statement that iis coded in utils.sh>

Affected Issues

• <Provide links to relevant issues/tickets, particularly if this branch resolves more than one>
• <455>

Testing

• test commands:
• run_metrics.sh -h,
• run_metrics.sh --help,
• run_metrics.sh DSWX_S1_PGE dswx_s1.yaml /tmp/rjb /home/dswx_user opera/dswx-s1 cal_val_0.4.2

•      Too few arguments
  

• run_metrics.sh DSWX_S1_PGE dswx_s1.yaml /tmp/rjb /home/dswx_user opera/dswx-s1 cal_val_0.4.2 5 )>
• <Once the PR is created, don't forget to check the Build/Test Jenkins pipeline for your branch to ensure all tests are passing before merge>