Update infra/inclusive_language_presubmit_exempt_dirs.txt.

This is primarily to allow https://chromium-review.googlesource.com/c/chromium/src/+/6408154
to land, which contains the word 'master' in a JSON file that's referring to the `master` branch
of a 3rd party repo.

This CL was generated with:

```
infra/update_inclusive_language_presubmit_exempt_dirs.sh > infra/inclusive_language_presubmit_exempt_dirs.txt
```

Change-Id: I23e81cd6021e39756c967c3ec0533212540e3157
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6426893
Auto-Submit: Glenn Hartmann <hartmanng@google.com>
Commit-Queue: Aldo Culquicondor <acondor@chromium.org>
Reviewed-by: Aldo Culquicondor <acondor@chromium.org>
Reviewed-by: Delan Azabani <dazabani@igalia.com>
Cr-Commit-Position: refs/heads/main@{#1442696}