Pin versions of the recipe's bundler.

This is to avoid unexpected surprises when the bundler recipe code
changes.

Change-Id: Iba3daebee08649550511a471f9e7e113177f8470
Reviewed-on: https://flutter-review.googlesource.com/c/infra/+/24744
Reviewed-by: Keyong Han <keyonghan@google.com>
Commit-Queue: Godofredo Contreras <godofredoc@google.com>
diff --git a/config/recipes_config.star b/config/recipes_config.star
index c4d3a91..e2ad4bf 100644
--- a/config/recipes_config.star
+++ b/config/recipes_config.star
@@ -143,14 +143,14 @@
             name = "recipe_bundler",
             cipd_package =
                 "infra/recipe_bundles/chromium.googlesource.com/infra/infra",
-            cipd_version = "refs/heads/main",
+            cipd_version = "git_revision:e818083ec70da67f7e735c9150cdbfa3d078b1ac",
             use_bbagent = True,
         ),
         execution_timeout = 20 * time.minute,
         properties = {
             "package_name_prefix": "flutter/recipe_bundles",
             "package_name_internal_prefix": "flutter_internal/recipe_bundles",
-            "recipe_bundler_vers": "git_revision:2ed88b2c854578b512e1c0486824175fe0d7aab6",
+            "recipe_bundler_vers": "git_revision:e818083ec70da67f7e735c9150cdbfa3d078b1ac",
             "repo_specs": [
                 "flutter.googlesource.com/recipes=FETCH_HEAD,refs/heads/main,refs/heads/master,refs/heads/flutter-*",
             ],