ci: switch from homebrew_casks to brews formula, rename to ratchet-cli

Fixes incorrect use of cask (for macOS .app bundles) when this is a CLI
binary. Also renames from 'ratchet' to 'ratchet-cli' to avoid conflict
with existing 'ratchet' formula in Homebrew core.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: intel352

.goreleaser.yaml

@@ -37,12 +37,12 @@ changelog:
       - "^test:"
       - "^chore:"
 
-homebrew_casks:
-  - name: ratchet
-    binaries:
-      - ratchet
+brews:
+  - name: ratchet-cli
+    ids: [ratchet]
     homepage: "https://github.com/GoCodeAlone/ratchet-cli"
     description: "Interactive AI agent CLI"
+    license: "Apache-2.0"
     repository:
       owner: GoCodeAlone
       name: homebrew-tap
@@ -51,3 +51,5 @@ homebrew_casks:
     commit_author:
       name: goreleaserbot
       email: bot@goreleaser.com
+    install: |
+      bin.install "ratchet"