chore: update examples to latest prerelease

Author: brophdawg11

examples/data-router/package-lock.json

@@ -9,7 +9,7 @@
   "dependencies": {
     "react": "18.1.0",
     "react-dom": "18.1.0",
-    "react-router-dom": "^6.4.0-pre.14"
+    "react-router-dom": "^6.4.0-pre.15"
   },
   "devDependencies": {
     "@rollup/plugin-replace": "4.0.0",

examples/data-router/package.json

@@ -9,7 +9,7 @@
   "dependencies": {
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
-    "react-router-dom": "^6.4.0-pre.14"
+    "react-router-dom": "^6.4.0-pre.15"
   },
   "devDependencies": {
     "@rollup/plugin-replace": "4.0.0",

examples/error-boundaries/package-lock.json

@@ -10,7 +10,7 @@
     "localforage": "^1.10.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
-    "react-router-dom": "^6.4.0-pre.14"
+    "react-router-dom": "^6.4.0-pre.15"
   },
   "devDependencies": {
     "@rollup/plugin-replace": "4.0.0",