Set Rust edition to 2021

I ran `cargo msrv` and the minimum version of this crate
was 1.64.0 so bumping the Rust edition does not raise the minimum

1 files changed, 2 insertions, 1 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 9e125fa..fc258f7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,13 +8,14 @@ homepage = "https://github.com/tummychow/git-absorb"
 repository = "https://github.com/tummychow/git-absorb"
 readme = "README.md"
 license = "BSD-3-Clause"
-edition = "2018"
+edition = "2021"
 
 include = [
     "**/*.rs",
     "Cargo.*",
     "*.md",
 ]
+rust-version = "1.64.0"
 
 [[bin]]
 name = "git-absorb"