Revert unintended goreleaser change

Author: luskaner

.goreleaser.yaml

@@ -657,5 +657,5 @@ checksum:
   name_template: '{{ .ProjectName }}_{{ .RawVersion }}_checksums.txt'
 signs:
   - artifacts: checksum
-    cmd: gpg
+    cmd: gpg2
     args: [ "--batch", "-u", "{{ .Env.GPG_FINGERPRINT }}", "--output", "${signature}", "--detach-sign", "${artifact}" ]