chore(deps): update rust crate handlebars to v6

Author: renovate[bot]

Cargo.lock

@@ -66,7 +66,7 @@ hex = "0.4"
 sha1 = "0.10"
 sha2 = "0.10"
 zip = { version = "0.6", default-features = false, features = ["deflate"] }
-handlebars = "5.1"
+handlebars = "6.0"
 glob = "0.3"
 relative-path = "1.9"
 walkdir = "2"