Update ffi from 1.11.1 to 1.14.2 to suppress warnings in Ruby 2.7

Why is this change being made?

A number of deprecation warning messages in Ruby 2.7 from rb-inotify 0.10.0 block !73459 (merged) getting merged.

What

• Updates ffi from 1.11.1 to 1.14.2 (latest): https://github.com/ffi/ffi/compare/1.11.1...1.14.2
• Updates rb-inotify from 0.10.0 to 0.10.1 (latest): https://github.com/guard/rb-inotify/compare/v0.10.0...v0.10.1

Author Checklist

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• Added a description to this MR explaining the reasons for the proposed change, per say-why-not-just-what
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