debug gpg key step

Author: jaehyeon-kim

.github/workflows/release.yml

@@ -28,6 +28,8 @@ jobs:
           echo "Create passphrase file"
           echo "${{ secrets.GPG_PASSPHRASE }}"
           echo "${{ secrets.GPG_PASSPHRASE }}" > passphrase.txt
+          echo "Read passphrase file"
+          cat passphrase.txt
           
           echo "Store the GPG key ID to a file"
           GPG_KEY_ID=$(gpg --list-secret-keys --with-colons | grep 'sec' | cut -d: -f5)