chore: Upgrade actions tools version. (#85)

Author: jettify

.github/workflows/CI.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Install libudev
       run: sudo apt-get update && sudo apt install -y libudev-dev
     - name: Install cargo-llvm-cov

.github/workflows/release-plz.yml

@@ -14,7 +14,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           token: ${{ secrets.RELEASE_PLZ_TOKEN }}
@@ -40,7 +40,7 @@ jobs:
       cancel-in-progress: false
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           token: ${{ secrets.RELEASE_PLZ_TOKEN }}