Bump broccoli-persistent-filter from 2.3.1 to 3.1.0

[dependabot-preview]

Bumps broccoli-persistent-filter from 2.3.1 to 3.1.0.

Changelog

Sourced from broccoli-persistent-filter's changelog.

3.1.0

• Separate typescript source files into their own directory to fix a typescript issue

3.0.1

• add tests to verify the file property on errors is correct
• mark some options as optional

3.0.0

• dependency tracking now uses fs-merger
• port to typescript and associated cleanup
• drop Node 8 & 6

Commits

• f5289b0 release v3.1.0 🎉
• 18b6eb1 update CL
• dd97623 Separate typescript source files into their own directory. (#201)
• 96532e9 release v3.0.1 🎉
• 93cbe76 update changelog
• 080ac7d Merge pull request #199 from SparshithNR/treeDir-test
• d3d5eb7 verify the paths in error are as expected
• 3813a1d Merge pull request #195 from nightire/patch-1
• 0ba157c mark some options as optional
• 8e93916 release v3.0.0 🎉
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #683.