Update gpg calls in contact/certify.sh

[diveshuttam]

https://github.com/EasyGnuPG/pgpg/blob/gnupg-2.2/src/cmd/contact/certify.sh

pgpg/src/cmd/contact/certify.sh

Lines 47 to 50 in d108baf

	gpg --batch --default-cert-level=$level --default-cert-expire=$time \
	--quick-sign-key $fingerprint
	gpg --armor --export $fingerprint > "$WORKDIR"/contact.asc
	gpg --homedir="$homedir" --import "$WORKDIR"/contact.asc

create contact/certify.py

[dashohoxha]

I am not sure, but I think that this is one of those tasks that are difficult for GPGME.
If so, then we don't need to fix this.