framework: add new hook to validate MOVED lines

A possible error message will look like:

[pre-commit] ERROR: MOVED contains errors.

Please apply the suggested changes:

17537: date going backwards from 2022-08-20 to 2022-08-13 from this line
17538: date going backwards from 2022-08-20 to 2022-08-13 to this line

Reviewed by: bapt
Differential Revision: https://reviews.freebsd.org/D35042