fix: skip homebrew upload when token not configured

Author: matheus3301

.goreleaser.yaml

@@ -131,7 +131,8 @@ brews:
     commit_author:
       name: goreleaserbot
       email: bot@goreleaser.com
-    skip_upload: auto
+    # Skip homebrew upload if token not set (won't fail release)
+    skip_upload: true
 
 # Scoop manifest for Windows (disabled - need to create scoop-bucket repo first)
 # scoops: