[Chore] Use Tabao NPM Mirror in CI

* Updated `.npmrc`: add Tabao NPM Mirror
* Updated `Makefile`: display npm config list to validate NODE_MIRROR
* Updated `Dockerfile.rootless`: Removed trivial NPM Mirror settings, and added reference to `/.npmrc`::`registry`

.npmrc

@@ -4,3 +4,4 @@ update-notifier=false
 package-lock=true
 save-exact=true
 lockfile-version=3
+registry=https://registry.npmmirror.com/

Dockerfile.rootless

@@ -9,11 +9,11 @@ ARG RUNTIME_CONTAINER="gitea-runtime-container:v1.0"
 # stage1: Building Stage
 FROM ${DOCKER_REGISTRY_ADDRESS}/${DOCKER_REGISTRY_USERNAME}/${DEV_CONTAINER} AS build-env
 
+# 设置 Go 代理
 ARG GOPROXY="https://goproxy.cn"
-ARG NODEJS_PROXY="http://mirrors.cloud.tencent.com/nodejs-release/"
-
 ENV GOPROXY=${GOPROXY:-direct}
-ENV NODE_MIRROR=${NODEJS_PROXY}
+# 注：对于 NPM 代理/镜像, 参考仓库 `/.npmrc` 文件下的 `registry` 变量，推荐使用淘宝镜像，即 `registry=https://registry.npmmirror.com/`
+
 
 ARG GITEA_VERSION
 # TODO: 适配 https://devstar.cn

Makefile

@@ -874,6 +874,7 @@ deps-tools:
 	$(GO) install $(GOPLS_PACKAGE)
 
 node_modules: package-lock.json
+	npm config list
 	npm install --no-save
 	@touch node_modules