Update dependency eslint-plugin-react-refresh to v0.4.20 (#541)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

uprn_mangle/frontend/yarn.lock

@@ -2070,11 +2070,11 @@ __metadata:
   linkType: hard
 
 "eslint-plugin-react-refresh@npm:^0.4.12":
-  version: 0.4.19
-  resolution: "eslint-plugin-react-refresh@npm:0.4.19"
+  version: 0.4.20
+  resolution: "eslint-plugin-react-refresh@npm:0.4.20"
   peerDependencies:
     eslint: ">=8.40"
-  checksum: 10c0/7c19c864c5fb1292dd1c9df2ce73cb1f86457937975d108e8619d6f354855d838d3f56f0262ce5cd541a7087de103ad802a32906e13724ea1b93c6e3b6477708
+  checksum: 10c0/2ccf4ba28f1dcbcb9e773e46eae1e61e568bba69281a700eb26fd762152e4e90a78c991f9c8173342a7cd2a82f3f52fedb40a1e81360cef9c40ea5b814fa3613
   languageName: node
   linkType: hard