chore(deps): update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/checks.yml

@@ -10,21 +10,21 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
       - uses: Swatinem/rust-cache@v2
       - run: cargo test
 
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
       - uses: Swatinem/rust-cache@v2
       - run: cargo clippy
 
   check-format:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
       - run: |
           rustup override set nightly
           rustup update nightly

.github/workflows/publish.yml

@@ -9,7 +9,7 @@ jobs:
   publish-crate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
       - uses: Swatinem/rust-cache@v2
       - uses: katyo/publish-crates@v2
         with: