Fixed ci

.gitlab-ci.yml

@@ -7,6 +7,7 @@ stages:
 build_backend:
     stage: build
     cache:
+        key: backend
         paths:
             - vcpkg_cache
     script:
@@ -18,6 +19,7 @@ build_backend:
         - git clone https://github.com/Microsoft/vcpkg.git .
         - ./bootstrap-vcpkg.sh -disableMetrics
         - cd $SRC
+        - mkdir -p vcpkg_cache
         - VCPKG_DEFAULT_BINARY_CACHE=$SRC/vcpkg_cache cmake -B build -S backend -DCMAKE_TOOLCHAIN_FILE=$TMP/scripts/buildsystems/vcpkg.cmake -DCMAKE_BUILD_TYPE=Release
         - cmake --build build
         - cp build/backend server
@@ -30,6 +32,7 @@ test_and_build_frontend:
     image: node:latest
     stage: build
     cache:
+        key: frontend
         paths:
             - frontend/.yarn
             - frontend/node_modules