feat(cache): add Cloudflare SigV4 S3 signature compatibility fix and compile locally

.gitea/actions/go-cache/action.yml

@@ -50,8 +50,8 @@ runs:
       if: ${{ inputs.cache == 'true' && inputs.s3-bucket != '' }}
       shell: bash
       run: |
-        echo "Installing go-cache-plugin..."
-        go install github.com/tailscale/go-cache-plugin/cmd/go-cache-plugin@${{ inputs.go-cache-plugin-version }}
+        echo "Installing custom Cloudflare-compatible go-cache-plugin..."
+        go build -o $HOME/go/bin/go-cache-plugin ${{ github.action_path }}/go-cache-plugin-src/cmd/go-cache-plugin
 
     - name: Configure Go Cache
       if: ${{ inputs.cache == 'true' && inputs.s3-bucket != '' }}