bump minimum supported rust version to 1.71

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        rust: ["1.67", stable]
+        rust: ["1.71", stable]
     steps:
     - uses: actions/checkout@v3
     - uses: dtolnay/rust-toolchain@master

Cargo.toml

@@ -3,8 +3,8 @@ name = "irc"
 version = "1.0.0"
 authors = ["Aaron Weiss <[email protected]>"]
 edition = "2018"
-rust-version = "1.67"
-description = "the irc crate – usable, async IRC for Rust "
+rust-version = "1.71"
+description = "the irc crate – usable, async IRC for Rust"
 documentation = "https://docs.rs/irc/"
 readme = "README.md"
 repository = "https://github.com/aatxe/irc"