chore: use bootstrap url from package instead of hardcoding it

Author: pieh

package-lock.json

@@ -53,6 +53,7 @@
     "@netlify/build": "^34.2.5",
     "@netlify/config": "^23.2.0",
     "@netlify/edge-bundler": "^14.2.2",
+    "@netlify/edge-functions-bootstrap": "^2.14.0",
     "@netlify/edge-functions": "^2.15.6",
     "@netlify/eslint-config-node": "^7.0.1",
     "@netlify/functions": "^4.1.10",

package.json

@@ -3,6 +3,7 @@ import { assert, vi } from 'vitest'
 import { type NetlifyPluginConstants, type NetlifyPluginOptions } from '@netlify/build'
 import { resolveConfig as resolveNetlifyConfig } from '@netlify/config'
 import { bundle, serve } from '@netlify/edge-bundler'
+import { getURL as getBootstrapURL } from '@netlify/edge-functions-bootstrap/version'
 import { zipFunctions } from '@netlify/zip-it-and-ship-it'
 import { execaCommand } from 'execa'
 import getPort from 'get-port'
@@ -32,8 +33,7 @@ import { BLOB_TOKEN } from './constants.mjs'
 import { type FixtureTestContext } from './contexts.js'
 import { setNextVersionInFixture } from './next-version-helpers.mjs'
 
-const bootstrapURL =
-  'https://6877afcf20679a00086bab1c--edge.netlify.com/bootstrap/index-combined.ts'
+const bootstrapURL = await getBootstrapURL()
 const actualCwd = await vi.importActual<typeof import('process')>('process').then((p) => p.cwd())
 const eszipHelper = join(actualCwd, 'tools/deno/eszip.ts')