fix(fossa): Bump core packages version to fix failing CI

plugins/fossa/package.json

@@ -32,7 +32,7 @@
   },
   "dependencies": {
     "@backstage/catalog-model": "^0.6.0",
-    "@backstage/core": "^0.4.1",
+    "@backstage/core": "^0.4.2",
     "@backstage/theme": "^0.2.2",
     "@material-ui/core": "^4.11.0",
     "@material-ui/icons": "^4.9.1",
@@ -43,9 +43,9 @@
     "react-use": "^15.3.3"
   },
   "devDependencies": {
-    "@backstage/cli": "^0.4.2",
+    "@backstage/cli": "^0.4.3",
     "@backstage/dev-utils": "^0.1.6",
-    "@backstage/test-utils": "^0.1.5",
+    "@backstage/test-utils": "^0.1.6",
     "@testing-library/jest-dom": "^5.10.1",
     "@testing-library/react": "^10.4.1",
     "@testing-library/user-event": "^12.0.7",