Ignore some dev-dependencies' minor upgrades (#1663)
Ignore some dev-dependencies' minor upgrades (#1663)

* Ignore some dev-dependencies' minor upgrades

... leaving major upgrades only.

* Update .github/dependabot.yml

Co-authored-by: Denis Ah-Kang <22feb0dd44ebb5d26f4e48aea2441d6a807d865e@users.noreply.github.com>

* fix test

Co-authored-by: Denis Ah-Kang <22feb0dd44ebb5d26f4e48aea2441d6a807d865e@users.noreply.github.com>
w3c/specberus,w3c/specberus,w3c/specberus