Merge pull request #22539 from fshowalter/patch-3

Allow @types/react 18 as a peer dep for @backstage/theme

plugins/opencost/package.json

@@ -30,7 +30,7 @@
     "@material-ui/icons": "^4.9.1",
     "@material-ui/pickers": "^3.3.10",
     "@material-ui/styles": "^4.11.5",
-    "@types/react": "^16.13.1 || ^17.0.0",
+    "@types/react": "^16.13.1 || ^17.0.0 || ^18.0.0",
     "axios": "^1.4.0",
     "date-fns": "^2.30.0",
     "lodash": "^4.17.21",