New label suggestion: `primordials`

[marsonya]

In view of growing importance of Primordials and introduction of a guide related for the same,
Should we introduce new label to track all Primordials related PRs?

Ref: #38635

[gireeshpunathil]

makes sense to me! I am not sure if there is a process around adding new labels, so let us wait for one or more opinions.

[BethGriggs]

I'd be +1 to adding this label