bump toolchain to rust 1.83.0

Author: PgBiel

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.80.0
+      - uses: dtolnay/rust-toolchain@1.83.0
         with:
           components: clippy, rustfmt
       - uses: Swatinem/rust-cache@v2