chore(deps): update dependency ember-cli-fastboot to v4 (#8379)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pnpm-lock.yaml

@@ -55,7 +55,7 @@
     "ember-cli-app-version": "^6.0.0",
     "ember-cli-babel": "^7.26.11",
     "ember-cli-dependency-checker": "^3.3.1",
-    "ember-cli-fastboot": "^3.3.2",
+    "ember-cli-fastboot": "^4.1.0",
     "ember-cli-fastboot-testing": "^0.6.0",
     "ember-cli-htmlbars": "^6.2.0",
     "ember-cli-inject-live-reload": "^2.1.0",

tests/embroider-basic-compat/package.json

@@ -52,7 +52,7 @@
     "ember-cli-app-version": "^6.0.0",
     "ember-cli-babel": "^7.26.11",
     "ember-cli-dependency-checker": "^3.3.1",
-    "ember-cli-fastboot": "^3.3.2",
+    "ember-cli-fastboot": "^4.1.0",
     "ember-cli-fastboot-testing": "^0.6.0",
     "ember-cli-htmlbars": "^6.2.0",
     "ember-cli-inject-live-reload": "^2.1.0",