pw_watch: Unpin watchdog as version 2.1.0 fixes the Mac behavior
pw_watch: Unpin watchdog as version 2.1.0 fixes the Mac behavior

See https://github.com/gorakhargosh/watchdog/pull/779

No-Docs-Update-Reason: bug fix
Change-Id: I6a5fd6bc7964e2da672593d50180cb9aa7b6b8c1
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/48521
Reviewed-by: Max Koopman <6edc4a8117aae83d40b45b01fe1c7cf54af61573@google.com>
Reviewed-by: Wyatt Hepler <cca3bedb37979eacd157a9bceb473582df8aea1e@google.com>
Commit-Queue: Michael Spang <e1fb1a05abba8fb04acbcbe6d766da7764320db0@google.com>

google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed