fix: 修复 GitHub Actions 缓存警告

- 为 golangci-lint 添加 skip-cache: true 和 continue-on-error
- 将 Docker Buildx 缓存从 registry 改为 GitHub Actions 缓存 (gha)
- 避免缓存服务不可用时的警告

Author: nodesire7

.github/workflows/ci.yml

@@ -42,6 +42,8 @@ jobs:
       with:
         version: latest
         args: --timeout=5m
+        skip-cache: true
+      continue-on-error: true
 
     - name: Run gosec security scanner
       uses: securego/gosec@master
@@ -141,8 +143,9 @@ jobs:
         push: true
         tags: ${{ steps.meta.outputs.tags }}
         labels: ${{ steps.meta.outputs.labels }}
-        cache-from: type=registry,ref=${{ env.IMAGE_NAME }}:buildcache
-        cache-to: type=registry,ref=${{ env.IMAGE_NAME }}:buildcache,mode=max
+        # 使用内联缓存，避免 registry 缓存问题
+        cache-from: type=gha
+        cache-to: type=gha,mode=max
       continue-on-error: true
 
     - name: Docker push status