build: bump in-memory-web-api to v18 (angular#56018)

This commit updates the in-memory-web-api package versions from v17 -> v18. PR Close angular#56018

Author: josephperrott

packages/misc/angular-in-memory-web-api/package.json

@@ -1,12 +1,12 @@
 {
  "name": "angular-in-memory-web-api",
- "version": "0.17.0",
+ "version": "0.18.0",
  "description": "An in-memory web api for Angular demos and tests",
  "author": "angular",
  "license": "MIT",
  "peerDependencies": {
- "@angular/core": "^17.0.0",
- "@angular/common": "^17.0.0",
+ "@angular/core": "^18.0.0",
+ "@angular/common": "^18.0.0",
  "rxjs": "^6.5.3 || ^7.4.0"
  },
  "dependencies": {