Add missing extension to the cookiecutter replay file

Signed-off-by: Leandro Lucarella <[email protected]>

Author: llucax

.cookiecutter-replay.json

@@ -15,6 +15,7 @@
     "default_codeowners": "@frequenz-floss/python-sdk-team",
     "_extensions": [
       "jinja2_time.TimeExtension",
+      "local_extensions.as_identifier",
       "local_extensions.default_codeowners",
       "local_extensions.github_repo_name",
       "local_extensions.keywords",