Fix restore keys formatting in checks.yml

Fix restore-keys value

Author: Sheikah45

.github/workflows/checks.yml

@@ -27,7 +27,7 @@ jobs:
         with:
           path: .helm-cache
           key: ${{ github.ref_name }}
-          restore_keys: |
+          restore-keys: |
             develop
             ${{ github.base_ref }}