Update CONTRIBUTING.md (#10782)
Update CONTRIBUTING.md (#10782)


hashicorp/packer,mitchellh/packer,hashicorp/packer,rnaveiras/packer,rnaveiras/packer,pecigonzalo/packer,mitchellh/packer,mitchellh/packer,rnaveiras/packer,rnaveiras/packer,rnaveiras/packer,hashicorp/packer,pecigonzalo/packer,mitchellh/packer,rnaveiras/packer,pecigonzalo/packer,hashicorp/packer,pecigonzalo/packer,mitchellh/packer