Bump minimum supported rust version to 1.62.0

Author: Kmeakin

fathom/Cargo.toml

@@ -4,7 +4,7 @@ version = "0.1.0"
 authors = ["YesLogic Pty. Ltd. <[email protected]>"]
 repository = "https://github.com/yeslogic/fathom"
 edition = "2021"
-rust-version = "1.56.0"
+rust-version = "1.62.0"
 publish = false
 
 description = "A language for declaratively specifying binary data formats"