export-layers-plus.scm says v0.1 even after update

[Phroneris]

Really small thing, but...

https://github.com/tshatrov/scriptfu/blob/master/export-layers-plus.scm#L2
It was ;;; v. 0.1 on initial commit, and is still ;;; v. 0.1 after its update for GIMP 2.10 bug.