fix cache

.gitea/workflows/gentoo-utils.yml

@@ -16,7 +16,7 @@ jobs:
     continue-on-error: true
     steps:
       - name: Restore git cache
-        uses: actions/cache@v5
+        uses: actions/cache@v4
         with:
           path: .git
           key: gitea-repo-${{ gitea.repository }}-${{ gitea.ref }}
@@ -95,7 +95,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Build Cache Setup
-        uses: actions/cache@v5
+        uses: actions/cache@v4
         with:
           path: |
             subprojects