Upgrade deps and edition

Author: RReverser

.cargo/config.toml

@@ -1,4 +1,3 @@
-[build]
-# Compare sizes using non-trapping float-to-int conversions.
-# This feature has landed long ago in all engines, but Rust doesn't enable it by default yet.
-rustflags = ["-C", "target-feature=+nontrapping-fptoint,+bulk-memory"]
+[target.wasm32-unknown-unknown]
+# https://docs.rs/getrandom/latest/getrandom/#opt-in-backends
+rustflags = ['--cfg', 'getrandom_backend="wasm_js"']