QA: Double-check agencies with aged data

[stucka]

The economy may be doing well and COVID layoffs are in the rear-view mirror but some states' lack of layoffs is suspicious and I'll need to follow-up to verify.

Oklahoma reported a warn notice every two weeks, and now has reported nothing since February. Data source does not appear to have moved.

• [x] inquiry
• [ ] cleared

Kentucky was reporting layoffs weekly and has reported nothing since April.

• [x] inquiry
• [ ] cleared

Delaware reported every four months, but not since September.

• [x] inquiry
• [ ] cleared

(Separate issue opened for Tennessee, which is the only clear scraper failure)