fix openssl command

Signed-off-by: Lukas Bachschwell <lukas@lbsfilm.at>

.goreleaser.yml

@@ -36,7 +36,8 @@ signs:
     # args: ["-u", "<key id, fingerprint, email, ...>", "--output", "${signature}", "--detach-sign", "${artifact}"]
     #
     # defaults to `["--output", "${signature}", "--detach-sign", "${artifact}"]`
-    args: ["dgst", "-sha256", "-sign", "privkey.pem", "${artifact}.sig", "${artifact}"]
+    args: ["dgst", "-sha256", "-sign", "privkey.pem", "-out", "${artifact}.sig", "${artifact}"]
+
     artifacts: all
 gitea_urls:
   api: https://git.lbsfilm.at/api/v1/