⚡️ Add volume for Gradle directory

Related: #42040

Author: sandratatarevicova

Dockerfile

@@ -7,10 +7,11 @@ RUN gem install danger-gitlab && \
   gem install danger-prose && \
   gem install danger-junit && \
   gem install danger-kotlin_detekt
-  
 
 RUN apt-get update && \
   apt-get install -y openjdk-11-jre-headless && \
   cd /usr/local/bin && curl -sSLO https://github.com/pinterest/ktlint/releases/download/0.34.2/ktlint && chmod +x ktlint
 
+VOLUME /root/.gradle
+
 ENTRYPOINT ["danger", "--fail-on-errors=true"]