Upgrade to react 18

package.json

@@ -25,11 +25,11 @@
     "original-fs": "^1.2.0",
     "parse-gedcom": "^1.0.5",
     "query-string": "^9.1.1",
-    "react": "^17.0.2",
-    "react-dom": "^17.0.2",
-    "react-intl": "^5.15.5",
-    "react-linkify": "^0.2.2",
-    "react-router-dom": "^5.2.0",
+    "react": "^18.3.1",
+    "react-dom": "^18.3.1",
+    "react-intl": "^6.8.9",
+    "react-linkify": "^1.0.0-alpha",
+    "react-router-dom": "^5.3.4",
     "rehype-stringify": "^10.0.1",
     "remark-parse": "^11.0.0",
     "remark-rehype": "^11.1.1",
@@ -41,6 +41,9 @@
     "wikitree-js": "^0.4.0"
   },
   "devDependencies": {
+    "@babel/plugin-proposal-private-property-in-object": "^7.21.11",
+    "@formatjs/fast-memoize": "^2.2.6",
+    "@formatjs/intl": "^2.10.15",
     "@types/adm-zip": "^0.5.0",
     "@types/array.prototype.flatmap": "^1.2.2",
     "@types/d3-array": "^2.9.0",
@@ -55,9 +58,9 @@
     "@types/js-cookie": "^3.0.6",
     "@types/lunr": "^2.3.3",
     "@types/md5": "^2.3.0",
-    "@types/react": "^17.0.3",
-    "@types/react-dom": "^17.0.3",
-    "@types/react-router-dom": "^5.1.7",
+    "@types/react": "^18.3.12",
+    "@types/react-dom": "^18.3.0",
+    "@types/react-router-dom": "^5.3.3",
     "@typescript-eslint/eslint-plugin": "^4.19.0",
     "@typescript-eslint/parser": "^4.19.0",
     "cypress": "^13.17.0",
@@ -67,10 +70,10 @@
     "run-script-os": "^1.1.6",
     "start-server-and-test": "^2.0.9",
     "tslint-config-prettier": "^1.18.0",
-    "typescript": "^4.5.5"
+    "typescript": "^4.9.5"
   },
   "scripts": {
-    "start": "run-script-os",
+    "start": "GENERATE_SOURCEMAP=false run-script-os",
     "start:default": "REACT_APP_CHANGELOG=`cat CHANGELOG.md` REACT_APP_GIT_SHA=`git rev-parse --short HEAD` REACT_APP_GIT_TIME=`git log -1 --format=%ci` react-scripts start",
     "start:windows": "react-scripts start",
     "build": "run-script-os",