FIX GPG for Lyra Silvertongue

.github/workflows/CI.yaml

@@ -120,6 +120,7 @@ jobs:
         vagrant plugin install --local;
         gpg --quick-generate-key --batch --passphrase '' "Lyra Silvertongue (zcash gitian) <lyra.silvertongue@ox.ac.brytain>"
         echo "GPG_KEY_ID=\$(gpg --list-keys --with-fingerprint --with-colons | grep fpr: | head -n 1 | sed 's/fpr://g' | sed 's/://g')" >> .env;
+        echo "GPG_KEY_NAME=lyra.silvertongue" >> .env;
         git config --global user.name "Lyra Silvertongue"
         git config --global user.email "lyra.silvertongue@ox.ac.brytain"
         direnv allow;