fix: bump deno_npm to 0.21 (#187)

Accidentally missed this in #186

Author: dsherret

Cargo.lock

@@ -47,7 +47,7 @@ anyhow = "1"
 base64 = "0.21.0"
 deno_ast = { version = "0.38.0", features = ["transpiling"] }
 deno_graph = { workspace = true }
-deno_npm = "0.20.0"
+deno_npm = "0.21.0"
 deno_semver = "0.5.4"
 futures = "0.3.26"
 hashlink = "0.8.2"