Update help_app to Ig0HjWIcWoctNjm9blQE6JDTvNtCIU_-1VgQkCpc6N4C CIPD package.

CIPD package: https://chrome-infra-packages.appspot.com/p/chromeos_internal/apps/help_app/app/+/Ig0HjWIcWoctNjm9blQE6JDTvNtCIU_-1VgQkCpc6N4C

Release notes: http://go/help_app-x20/relnotes/Nightly/help_app_nightly_202007300800_RC00.html

Cq-Include-Trybots: chrome/try:linux-chromeos-chrome
Change-Id: I47ce96ab329ac79734b4a0d706841e9f537dd4ce
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2331557Reviewed-by: Rachel Carpenter <carpenterr@chromium.org>
Commit-Queue: Callistus Tan <callistus@google.com>
Cr-Commit-Position: refs/heads/master@{#793532}

DEPS

@@ -1545,7 +1545,7 @@ deps = {
     'packages': [
       {
         'package': 'chromeos_internal/apps/help_app/app',
-        'version': 'hDrQ1hG023-nuNtIIehQNIQY9tTQgBnjI31EiuAFH_sC',
+        'version': 'Ig0HjWIcWoctNjm9blQE6JDTvNtCIU_-1VgQkCpc6N4C',
       },
     ],
     'condition': 'checkout_chromeos and checkout_src_internal',