(cherry picked from commit 7c051875b2)

also add previous bulk change to git-blame-ignore-revs

The previous record was inconsequential as the merge was squashed

Co-authored-by: Frappe Bot <developers@frappe.io>

This adds the previous style changes in the license header (for
consistency) in the ignore-revs file

Ignore the commit which replaces use of Class.extend with native class
in git blames