config-schema: bump @backstage package versions

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

plugins/config-schema/package.json

@@ -21,7 +21,7 @@
   },
   "dependencies": {
     "@backstage/config": "^0.1.4",
-    "@backstage/core": "^0.7.3",
+    "@backstage/core": "^0.7.4",
     "@backstage/errors": "^0.1.1",
     "@backstage/theme": "^0.2.5",
     "@material-ui/core": "^4.11.0",
@@ -34,9 +34,9 @@
     "react-use": "^15.3.3"
   },
   "devDependencies": {
-    "@backstage/cli": "^0.6.6",
+    "@backstage/cli": "^0.6.7",
     "@backstage/dev-utils": "^0.1.13",
-    "@backstage/test-utils": "^0.1.9",
+    "@backstage/test-utils": "^0.1.10",
     "@testing-library/jest-dom": "^5.10.1",
     "@testing-library/react": "^11.2.5",
     "@testing-library/user-event": "^12.0.7",