Merge pull request #22539 from fshowalter/patch-3

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

plugins/techdocs-react/package.json

@@ -41,7 +41,7 @@
     "@backstage/version-bridge": "workspace:^",
     "@material-ui/core": "^4.12.2",
     "@material-ui/styles": "^4.11.0",
-    "@types/react": "^16.13.1 || ^17.0.0",
+    "@types/react": "^16.13.1 || ^17.0.0 || ^18.0.0",
     "jss": "~10.10.0",
     "lodash": "^4.17.21",
     "react-helmet": "6.1.0",