ci: bump actions to node 24 compatible versions (#19)

Author: Sylfwood

.github/workflows/ci.yml

@@ -30,7 +30,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Check formatting
         run: cargo fmt --all --check
@@ -52,7 +52,7 @@ jobs:
             runner: macos-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Rust cache
         uses: Swatinem/rust-cache@v2.8.2

.github/workflows/release-crates.yml

@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 512
 
@@ -42,7 +42,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Authenticate with crates.io
         id: auth