build: add bazel integration test (#18733)

It includes sass compilation, and building the bazel package
distribution.

PR Close #18733

integration/bazel/WORKSPACE

@@ -0,0 +1,24 @@
+load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository")
+
+git_repository(
+    name = "build_bazel_rules_typescript",
+    remote = "https://github.com/bazelbuild/rules_typescript.git",
+    tag = "0.0.6",
+)
+load("@build_bazel_rules_typescript//:defs.bzl", "node_repositories")
+node_repositories(package_json = "//:package.json")
+
+local_repository(
+    name = "angular",
+    path = "node_modules/@angular/bazel"
+)
+
+git_repository(
+    name = "io_bazel_rules_sass",
+    remote = "https://github.com/bazelbuild/rules_sass.git",
+    tag = "0.0.2",
+)
+
+load("@io_bazel_rules_sass//sass:sass.bzl", "sass_repositories")
+
+sass_repositories()