build: bump actions/checkout from 5 to 6

.github/workflows/build.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Rust
         uses: actions-rust-lang/setup-rust-toolchain@1780873c7b576612439a134613cc4cc74ce5538c

.github/workflows/release.yml

@@ -11,7 +11,7 @@ jobs:
     permissions:
       id-token: write     # Required for OIDC token exchange
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: rust-lang/crates-io-auth-action@v1
       id: auth
     - run: cargo publish

.github/workflows/tests.yml

@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@ff7abcd0c3c05ccf6adc123a8cd1fd4fb30fb493
+        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
         with:
           persist-credentials: false
 
@@ -32,7 +32,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@ff7abcd0c3c05ccf6adc123a8cd1fd4fb30fb493
+        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
         with:
           persist-credentials: false
 
@@ -55,7 +55,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@ff7abcd0c3c05ccf6adc123a8cd1fd4fb30fb493
+        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
         with:
           persist-credentials: false