chore: bump version for new iteration

sunng87 · sunng87 · commit 44c1e5acc8cc · 2022-01-05T22:27:36.000+08:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "handlebars"
-version = "4.2.0"
+version = "4.2.1-alpha.0"
 authors = ["Ning Sun <sunng@pm.me>"]
 description = "Handlebars templating implemented in Rust."
 license = "MIT"
