update search-headless to v2 alpha

Had to update the msw mocks to intercept the new search endpoints.

J=None
TEST=manual

unit tests pass again with no errors
before this there would be an "Invalid API Key" error

package.json

@@ -32,7 +32,7 @@
     "generate-notices": "generate-license-file --input package.json --output THIRD-PARTY-NOTICES --overwrite"
   },
   "dependencies": {
-    "@yext/search-headless": "^1.4.0",
+    "@yext/search-headless": "^2.0.0-alpha.130",
     "use-sync-external-store": "^1.1.0"
   },
   "devDependencies": {

tests/setup/server.ts

@@ -5,7 +5,7 @@ import { universalQueryResponse, universalQueryResponseWithFilters } from './res
 
 // Any unhandled requests are dropped and logged as warnings
 const handlers = [
-  rest.get(/answers\/vertical\/query/, (req, res, ctx) => {
+  rest.get(/search\/vertical\/query/, (req, res, ctx) => {
     const input = req.url.searchParams.get('input');
     switch (input) {
       case 'resultsWithNlpFilter':
@@ -18,7 +18,7 @@ const handlers = [
         );
     }
   }),
-  rest.get(/answers\/query/, (req, res, ctx) => {
+  rest.get(/search\/query/, (req, res, ctx) => {
     const input = req.url.searchParams.get('input');
     switch (input) {
       case 'resultsWithFilter':