fix: place Homebrew formula in Formula directory

Author: obay

.goreleaser.yaml

@@ -66,7 +66,7 @@ brews:
       owner: obay
       name: homebrew-tap
       token: "{{ .Env.HOMEBREW_TAP_TOKEN }}"
-    directory: .
+    directory: Formula
     homepage: "https://github.com/obay/hevycli"
     description: "CLI for the Hevy fitness tracking platform"
     license: "MIT"