Add rust-version field to Cargo.toml

Author: tuffy

Cargo.toml

@@ -2,13 +2,14 @@
 name = "bitstream-io"
 description = "Library for reading/writing un-aligned values from/to streams in big-endian and little-endian formats."
 keywords = ["bitstream", "endian", "big-endian", "little-endian", "binary"]
-version = "2.4.0"
+version = "2.4.1"
 authors = ["Brian Langenberger <[email protected]>"]
 license = "MIT/Apache-2.0"
 documentation = "https://docs.rs/bitstream-io/"
 homepage = "https://github.com/tuffy/bitstream-io"
 repository = "https://github.com/tuffy/bitstream-io"
 edition = "2018"
+rust-version = "1.79"
 
 [dependencies]
 core2 = {version = "0.4", optional = true, default-features = false, features = ["alloc"]}