updating peer dependencies to match the scaffolder (#113)

Author: Kira-Pilot

plugins/backstage-plugin-coder/package.json

@@ -44,7 +44,7 @@
     "valibot": "^0.28.1"
   },
   "peerDependencies": {
-    "react": "^16.13.1 || ^17.0.0"
+    "react": "^16.13.1 || ^17.0.0 || ^18.0.0"
   },
   "devDependencies": {
     "@backstage/cli": "^0.25.1",

plugins/backstage-plugin-devcontainers-react/package.json

@@ -34,7 +34,7 @@
     "@material-ui/lab": "4.0.0-alpha.61"
   },
   "peerDependencies": {
-    "react": "^16.13.1 || ^17.0.0"
+    "react": "^16.13.1 || ^17.0.0 || ^18.0.0"
   },
   "devDependencies": {
     "@backstage/cli": "^0.25.1",