Changed perms of dnf cache back to Z, give container cache read only

.github/workflows/build.yml

@@ -158,8 +158,8 @@ jobs:
           buildah bud \
             --storage-driver overlay \
             --format docker \
-            -v "${{ env.DNF_CACHE_PATH }}:/var/cache/libdnf5:rw,O" \
-            -v "${{ env.CONTAINER_CACHE_PATH }}:/var/lib/containers:rw,O" \
+            -v "${{ env.DNF_CACHE_PATH }}:/var/cache/libdnf5:rw,Z" \
+            -v "${{ env.CONTAINER_CACHE_PATH }}:/var/lib/containers:ro,O" \
             --tag "localhost/${{ env.IMAGE_NAME }}:${{ env.DEFAULT_TAG }}" \
             --build-arg BASE_IMAGE=${{ env.BASE_IMAGE }} \
             --build-arg FEDORA_VERSION=${{ env.FEDORA_VERSION }} \