Updated rustc version in ci.yml to match MSRV

Author: JRRudy1

.github/workflows/ci.yml

@@ -128,7 +128,7 @@ jobs:
         with:
           python-version: 3.8
       - name: Install Rust
-        uses: dtolnay/rust-toolchain@1.56.0
+        uses: dtolnay/rust-toolchain@1.63.0
       - uses: Swatinem/rust-cache@v2
         with:
           workspaces: examples/simple