chore: update valgrind workflow

.gitea/workflows/check-valgrind.yaml

@@ -10,20 +10,10 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Install build dependencies
-        run: sudo apt-get update && sudo apt-get install -y build-essential
+        run: sudo apt-get update && sudo apt-get install -y build-essential valgrind
 
       - name: Build program
         run: make
 
       - name: Run valgrind
-        uses: Ximaz/valgrind-action@v1.2.0
-        with:
-          binary_path: "./bin/program"
-          binary_args: ""
-          ld_library_path: ""
-          redzone_size: 16
-          track_file_descriptors: true
-          treat_error_as_warning: false
-          valgrind_suppressions: ""
-          verbose: true
-          timeout: 0s
+        run: valgrind -s --leak-check=full --error-exitcode=1 ./bin/program