Fix check action

.devcontainer/Dockerfile

@@ -7,4 +7,4 @@ RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
 
 RUN rm /etc/localtime && ln -s /usr/share/zoneinfo/Europe/Berlin /etc/localtime
 
-RUN cargo install cargo-outdated
+RUN cargo install cargo-outdated cargo-cache

.github/workflows/check.yml

@@ -18,7 +18,7 @@ jobs:
     name: Test Suite
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/set-timezone-action@v1.0
+      - uses: szenius/set-timezone@v1.0
         with:
           timezoneLinux: Europe/Berlin
       - uses: actions/checkout@v2