Raise MSRV to 1.63

Cargo.toml

@@ -12,6 +12,7 @@ name = "jubjub"
 repository = "https://github.com/zkcrypto/jubjub"
 version = "0.10.0"
 edition = "2021"
+rust-version = "1.63"
 
 [dependencies.bitvec]
 version = "1"

README.md

@@ -8,7 +8,7 @@
 This is a pure Rust implementation of the Jubjub elliptic curve group and its associated fields.
 
 * **This implementation has not been reviewed or audited. Use at your own risk.**
-* This implementation targets Rust `1.56` or later.
+* This implementation targets Rust `1.63` or later.
 * All operations are constant time unless explicitly noted.
 * This implementation does not require the Rust standard library.
 

RELEASES.md

@@ -1,3 +1,7 @@
+# Unreleased
+## Changed
+- Bumped MSRV to `1.63.0`
+
 # 0.10.0
 ## Changed
 - Bumped dependencies to `bls12_381 0.8`, `ff 0.13`, `group 0.13`.

rust-toolchain.toml

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.56.0"
+channel = "1.63.0"
 components = [ "clippy", "rustfmt" ]