build: ts-api-guardian tsconfig warning with bazel (#27583)

* Suppresses the warning from the Bazel TypeScript rules about overwritten options from the `tools/tsconfig.json` file. This is the only remaining warning that makes our Bazel build on Angular Material "dirty"

PR Close #27583

tools/tsconfig.json

@@ -30,5 +30,8 @@
     "typings-test",
     "public_api_guard",
     "docs"
-  ]
-}
+  ],
+  "bazelOptions": {
+    "suppressTsconfigOverrideWarnings": true
+  }
+}