Update ush scripts to comply with bash static code checkers

[WalterKolczynski-NOAA]

Description

Updates the ush scripts (including dev/ush) to be compliant with the static bash code analysis checkers.

Also updates the reporter for the GH action so that it should be able to post recommendations on PRs.

Type of change

• Maintenance (code refactor, clean-up, new CI test, etc.)

Change characteristics

• Is this a breaking change (a change in existing functionality)? NO
• Does this change require a documentation update? NO
• Does this change require an update to any of the following submodules? NO

How has this been tested?

• All the PR-level tests in the cases directory on Ursa

Checklist

• Any dependent changes have been merged and published
• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have documented my code, including function, input, and output descriptions
• My changes generate no new warnings
• New and existing tests pass with my changes
• This change is covered by an existing CI test or a new one has been added
• Any new scripts have been added to the .github/CODEOWNERS file with owners
• I have made corresponding changes to the system documentation if necessary

[DavidHuber-NOAA]

Approve pending successful CI testing.

[DavidHuber-NOAA]

Ursa failed silently due to a GitLab runner issue unrelated to this PR. WCOSS2 never ran due to operator error. It is running now.

[DavidHuber-NOAA]

@WalterKolczynski-NOAA All tests passed on all platforms. Could you just merge in develop and resolve the two conflicts? I will re-review and merge after that.

[DavidHuber-NOAA]

Everything looks good. Thank you @WalterKolczynski-NOAA!