test: use branch/alias deploys for e2e test suite

Author: mrstork

e2e-tests/adapters/scripts/deploy-and-run/netlify.mjs

@@ -18,13 +18,16 @@ const npmScriptToRun = process.argv[2] || "test:netlify"
 // ensure clean build
 await execa(`npm`, [`run`, `clean`], { stdio: `inherit` })
 
+const deployAlias = 'gatsby-e2e-tests'
 const deployResults = await execa(
   "npx",
   [
     "ntl",
     "deploy",
     "--build",
     "--json",
+    "--alias",
+    deployAlias,
     "--message",
     deployTitle,
     process.env.EXTRA_NTL_CLI_ARGS ?? "--cwd=.",