try to fix clippy on CI as well.

I don't know if the toolchain file works like that either,
set a local override for now via `rustup override set 1.65`.

Author: Byron

.github/workflows/ci.yml

@@ -120,7 +120,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: stable
+          toolchain: 1.65 # clippy is broken for us in 1.66
           components: clippy,rustfmt
       - name: Run cargo clippy
         run: cargo clippy --all --tests

rust-toolchain.tml

@@ -1,2 +1,2 @@
 [toolchain]
-channel = "stable"
+channel = "stable-1.65"