Update actions (#10)

* Update actions

Fixes node@16 warnings.

* Ignore pedantic clippy lint that pushes for let-else

Our MSRV is 1.58 and let-else is stable in 1.65.

This can also use `let _ = if let ... else {}` but that looks objectively
worse than the match.

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
           - 1.58.0
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install toolchain
         uses: dtolnay/rust-toolchain@master
         with:
@@ -33,7 +33,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install toolchain
         uses: dtolnay/rust-toolchain@master
         with:
@@ -44,7 +44,7 @@ jobs:
         with:
           shared-key: common
       - name: Install cargo-machete
-        uses: baptiste0928/cargo-install@v2
+        uses: baptiste0928/cargo-install@v3
         with:
           crate: cargo-machete
       - name: Cargo fmt
@@ -68,7 +68,7 @@ jobs:
           - 1.58.0
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install toolchain
         uses: dtolnay/rust-toolchain@master
         with:

src/ty.rs

@@ -243,6 +243,8 @@ mod tests {
         let expected = Ident::new("foo", Span::call_site());
 
         let group = input.try_group().unwrap();
+        // TODO: This can be replaced with `let else` after MSRV 1.65
+        #[allow(clippy::single_match_else)]
         let tree = match group.stream().into_iter().next() {
             Some(TokenTree::Ident(ident)) => ident,
             _ => panic!(),