Update actions/checkout

Signed-off-by: alexey semenyuk <alexsemenyuk88@gmail.com>

Author: alex-semenyuk

.github/workflows/tests.yml

@@ -13,7 +13,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Build
         run: cargo build --verbose
       - name: Run unit tests