.bazelignore: Ignore out and node_modules

Change-Id: Ie0b59e9cde66146521afa26e11a1894b8a897134
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/96640
Reviewed-by: Ted Pudlik <tpudlik@google.com>
Commit-Queue: Wyatt Hepler <hepler@google.com>
Pigweed-Auto-Submit: Wyatt Hepler <hepler@google.com>
diff --git a/.bazelignore b/.bazelignore
index db791e1..280ad54 100644
--- a/.bazelignore
+++ b/.bazelignore
@@ -2,3 +2,5 @@
 .presubmit
 .environment
 environment
+node_modules
+out