feat(branding): update ZStack build tooling

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

scripts/bootstrap

@@ -13,7 +13,7 @@
 #
 # Usage:
 #   scripts/bootstrap                 # clone both, checkout the default version
-#   scripts/bootstrap v2.2.1          # checkout a specific v<version>-lofyer
+#   scripts/bootstrap v2.2.2          # checkout a specific v<version>-lofyer
 #
 # Existing clones are left alone (only their remotes are verified).
 #
@@ -24,7 +24,7 @@ set -o pipefail
 source "$(dirname "${BASH_SOURCE[0]}")/lib/common.sh"
 
 # Keep in sync with the version table in AGENTS.md.
-DEFAULT_VERSION="v2.2.1"
+DEFAULT_VERSION="v2.2.2"
 VERSION="${1:-${DEFAULT_VERSION}}"
 BRANCH="${VERSION}-lofyer"