Fix Sparkle public key extraction

- Remove -p flag from public key extraction command
- -p and -x flags cannot be used together
- Use only -x flag to extract public key from private key
- Fix 'option cannot be provided together' error in key extraction
- Ensure proper Sparkle key generation workflow in CI/CD pipeline

Author: devopsmariocom

.github/workflows/build-and-release.yml

@@ -217,7 +217,7 @@ jobs:
           echo "✅ Private key generated successfully"
           
           # Extract public key from private key
-          ./bin/generate_keys -x keys/ed25519_private_key.pem -p > keys/ed25519_public_key.pem
+          ./bin/generate_keys -x keys/ed25519_private_key.pem > keys/ed25519_public_key.pem
           
           PUBLIC_KEY=$(grep -v "BEGIN\|END" keys/ed25519_public_key.pem | tr -d '\n')
           echo "Public key: $PUBLIC_KEY"