Update Tendril. Doesn’t (by default) depend on rust-encoding.

Author: SimonSapin

markup5ever/Cargo.toml

@@ -18,7 +18,7 @@ unstable = ["tendril/unstable"]
 [dependencies]
 string_cache = "0.5"
 phf = "0.7"
-tendril = "0.2"
+tendril = "0.3"
 heapsize = { version = "0.3", optional = true }
 heapsize_derive = { version = "0.1", optional = true }