Update workflow.yaml

Author: bgroff

.speakeasy/workflow.yaml

@@ -12,7 +12,7 @@ targets:
         source: my-source
         publish:
             java:
-                ossrhUsername: $OSSRH_USERNAME
-                ossrhPassword: $OSSRH_PASSWORD
-                gpgSecretKey: $JAVA_GPG_SECRET_KEY
-                gpgPassPhrase: $JAVA_GPG_PASSPHRASE
+                ossrh_username: ${{ secrets.OSSRH_USERNAME }}
+                ossrh_password: ${{ secrets.OSSRH_PASSWORD }}
+                java_gpg_secret_key: ${{ secrets.GPG_SECRET_KEY }}
+                java_gpg_passphrase: ${{ secrets.GPG_PASSPHRASE }}