Rename check_pudl_fks to pudl_check_fks to align w/ other CLI names

[zaneselvans]

PR Overview

Renamed check_pudl_fks to pudl_check_fks to follow the naming we've tried to have on our other CLI scripts (as suggested by @karldw waaaay back in #460). We still don't do this on the commands with long names, but it's easy to do here.

PR Checklist

• Merge the most recent version of the branch you are merging into (probably dev).
• All CI checks are passing. Run tests locally to debug failures
• Make sure you've included good docstrings.
• For major data coverage & analysis changes, run data validation tests
• Include unit tests for new functions and classes.
• Defensive data quality/sanity checks in analyses & data processing functions.
• Update the release notes and reference reference the PR and related issues.
• Do your own explanatory review of the PR to help the reviewer understand what's going on and identify issues preemptively.

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (c97e7f3) 86.1% compared to head (bd171b2) 86.1%.

Additional details and impacted files

@@                Coverage Diff                @@
##           dagster-asset-etl   #2416   +/-   ##
=================================================
  Coverage               86.1%   86.1%           
=================================================
  Files                     81      81           
  Lines                   9552    9552           
=================================================
  Hits                    8233    8233           
  Misses                  1319    1319           

Impacted Files	Coverage Δ
src/pudl/etl/check_foreign_keys.py	68.1% <ø> (ø)

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[bendnorman]

Ah great suggestion. Thanks for changing!