Update CI toolchain to 1.63.0

moreal · moreal · commit 917924c6a6a7 · 2022-08-12T23:09:48.000+09:00
See also https://github.com/rust-lang/rust/releases/tag/1.63.0
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
@@ -263,7 +263,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: dtolnay/rust-toolchain@1.62.1
+      - uses: dtolnay/rust-toolchain@1.63.0
         with:
             components: rustfmt, clippy
       - name: run rustfmt
