chore: simplify auto-tag workflow by removing GPG signing steps

- Removed GPG key import and signing conditions from the auto-tag-release.yml workflow to streamline the release process.
- Updated GoReleaser execution conditions to focus solely on version tagging, enhancing clarity and reducing complexity.

.github/workflows/auto-tag-release.yml

@@ -131,22 +131,6 @@ jobs:
           git tag -a $new_tag -m "Release $new_tag"
           git push origin $new_tag
 
-      # Release 相关步骤
-      - name: Import GPG key
-        id: import_gpg
-        if: |
-          (startsWith(github.ref, 'refs/tags/v') || 
-          (success() && steps.get_latest_tag.outputs.version != '')) &&
-          !inputs.skip_signing
-        uses: crazy-max/ghaction-import-gpg@v5
-        with:
-          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
-          passphrase: ${{ secrets.PASSPHRASE }}
-          git_config_global: true
-          git_user_signingkey: true
-          git_commit_gpgsign: true
-          git_tag_gpgsign: true
-
       # 在 Run GoReleaser 之前添加配置检查步骤
       - name: Check GoReleaser config
         run: |
@@ -171,34 +155,9 @@ jobs:
             go mod vendor
           fi
 
-      # 修改 GoReleaser 步骤的环境变量
+      # 修改 GoReleaser 步骤
       - name: Run GoReleaser
-        if: |
-          (startsWith(github.ref, 'refs/tags/v') || 
-          (success() && steps.get_latest_tag.outputs.version != '')) &&
-          (steps.import_gpg.outcome == 'success' || steps.import_gpg.outcome == 'skipped')
-        uses: goreleaser/goreleaser-action@v4
-        with:
-          distribution: goreleaser
-          version: latest
-          args: release --clean --timeout 60m
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          GPG_FINGERPRINT: ${{ steps.import_gpg.outputs.fingerprint }}
-          VERSION: ${{ steps.get_latest_tag.outputs.version }}
-          CGO_ENABLED: 0
-          GOFLAGS: -mod=vendor
-          GOPATH: ${{ github.workspace }}/go
-          GOROOT: ${{ env.GOROOT }}
-          GOCACHE: ${{ github.workspace }}/.cache/go-build
-          GOMODCACHE: ${{ github.workspace }}/go/pkg/mod
-
-      # 修改无 GPG 的 GoReleaser 步骤
-      - name: Run GoReleaser without GPG
-        if: |
-          (startsWith(github.ref, 'refs/tags/v') || 
-          (success() && steps.get_latest_tag.outputs.version != '')) &&
-          (inputs.skip_signing || steps.import_gpg.outcome == 'skipped')
+        if: startsWith(github.ref, 'refs/tags/v') || (success() && steps.get_latest_tag.outputs.version != '')
         uses: goreleaser/goreleaser-action@v4
         with:
           distribution: goreleaser