Bump broccoli-persistent-filter from 3.1.0 to 3.1.1 (#541)

Author: dependabot-preview[bot]

yarn.lock

@@ -3783,9 +3783,9 @@ broccoli-persistent-filter@^2.1.0, broccoli-persistent-filter@^2.1.1, broccoli-p
     walk-sync "^1.0.0"
 
 broccoli-persistent-filter@^3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/broccoli-persistent-filter/-/broccoli-persistent-filter-3.1.0.tgz#5812abbc000b2409ef40addeeed16a2a9482696e"
-  integrity sha512-yHHPv7M04qb9ajo3QkbGWetpshekVYG8sSjNdgAPQQ3spiRvS6RthYBddni5iw9b2DidSCpe/YPGRnp7LL4OIQ==
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/broccoli-persistent-filter/-/broccoli-persistent-filter-3.1.1.tgz#318c68a82d5759582bb60e7e2c0f3ca008176224"
+  integrity sha512-gP797MF87JjkcwhGBkE0fhF3aIbGnOF3K3A0iZpQSxtpmSNt+rbNzuqDOmgiKwWpx6v0+APkM5HUA0NiIZpgsQ==
   dependencies:
     async-disk-cache "^2.0.0"
     async-promise-queue "^1.0.3"
@@ -3794,7 +3794,6 @@ broccoli-persistent-filter@^3.1.0:
     hash-for-dep "^1.5.0"
     heimdalljs "^0.2.1"
     heimdalljs-logger "^0.1.7"
-    mkdirp "^0.5.1"
     promise-map-series "^0.2.1"
     rimraf "^3.0.0"
     symlink-or-copy "^1.0.1"