ci(github-actions): update token secrets for release workflow

The release workflow now uses a single personal access token (GH_PAT)
for both GitHub and Homebrew Tap operations instead of separate tokens.
This simplifies secret management and ensures consistent authentication
across both repositories during the release process.

Author: zzxwill

.github/workflows/release.yml

@@ -29,7 +29,5 @@ jobs:
           version: "~> v2"
           args: release --clean
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          # For pushing to homebrew-tap repo, use a PAT with repo scope
-          # or use GITHUB_TOKEN if homebrew-tap allows it
-          HOMEBREW_TAP_GITHUB_TOKEN: ${{ secrets.HOMEBREW_TAP_GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GH_PAT }}
+          HOMEBREW_TAP_GITHUB_TOKEN: ${{ secrets.GH_PAT }}

.goreleaser.yml

@@ -69,6 +69,7 @@ brews:
     repository:
       owner: agentsdance
       name: agentx
+      token: "{{ .Env.HOMEBREW_TAP_GITHUB_TOKEN }}"
     directory: Formula
     homepage: "https://github.com/agentsdance/agentx"
     description: "CLI tool for managing MCP servers and skills across AI coding agents"