Revert "Refactor cppcheck installation in CI workflow"

This reverts commit 5bc68e7.

Author: Easton97-Jens

.github/workflows/ci_new.yml

@@ -434,8 +434,7 @@ jobs:
           dpkg -l | grep lua || true
 
       - name: Install cppcheck snap
-        run: snap install cppcheck --edge
-             echo "/snap/bin" >> "$GITHUB_PATH"
+        run: sudo snap install cppcheck --edge
 
       - name: Show cppcheck installation
         run: |