Fix SHA256

Author: brunoborges

containers/java-12/.devcontainer/Dockerfile

@@ -16,7 +16,7 @@ RUN yum install -y git curl procps unzip
 # Install Gradle
 ENV GRADLE_HOME /opt/gradle
 ENV GRADLE_VERSION 5.4.1
-ARG GRADLE_DOWNLOAD_SHA256=c8c17574245ecee9ed7fe4f6b593b696d1692d1adbfef425bef9b333e3a0e8de
+ARG GRADLE_DOWNLOAD_SHA256=7bdbad1e4f54f13c8a78abc00c26d44dd8709d4aedb704d913fb1bb78ac025dc
 RUN curl -sSL --output gradle.zip "https://services.gradle.org/distributions/gradle-${GRADLE_VERSION}-bin.zip" \
     && echo "${GRADLE_DOWNLOAD_SHA256} *gradle.zip" | sha256sum --check - \
     && unzip gradle.zip \