More minor release changes

frontend/package.json

@@ -33,7 +33,6 @@
     "cytoscape-node-html-label": "^1.2.2",
     "cytoscape-panzoom": "^2.5.3",
     "cytoscape-undo-redo": "^1.3.3",
-    "d3": "~4.10.0",
     "dayjs": "^1.11.10",
     "dotenv": "^6.1.0",
     "downshift": "^3.4.8",
@@ -88,11 +87,10 @@
     "shellwords": "^1.0.1",
     "simplebar": "^4.2.3",
     "styled-components": "^4.4.1",
-    "sync-fetch": "^0.3.0",
     "terser-webpack-plugin": "^4.2.3",
     "yaml": "^1.10.0",
     "yamljs": "^0.3.0",
-    "zone.js": "~0.8.26"
+    "zone.js": "^0.15.1"
   },
   "scripts": {
     "start": "HTTPS=false&&PORT=3000 GENERATE_SOURCEMAP=false react-scripts --openssl-legacy-provider start",