Revert "Bump checkstyle 9.2" (#38)

* Revert "Bump checkstyle 9.2 (#36)"

This reverts commit 9adffbd.

* Upgrade JAVA_ALPINE_VERSION 8.275.01-r0

Author: f-moya

CHECKSTYLE_VERSION

@@ -1 +1 @@
-9.2
+8.39

Dockerfile

@@ -2,7 +2,7 @@ FROM ruby:2.6.3-alpine
 
 ENV LANG C.UTF-8
 
-LABEL org.opencontainers.image.authors="Code Climate <hello@codeclimate.com>"
+MAINTAINER "Code Climate <hello@codeclimate.com>"
 
 RUN adduser -u 9000 -D app
 
@@ -19,7 +19,7 @@ RUN { \
 ENV JAVA_HOME /usr/lib/jvm/java-1.8-openjdk/jre
 ENV PATH $PATH:/usr/lib/jvm/java-1.8-openjdk/jre/bin:/usr/lib/jvm/java-1.8-openjdk/bin
 
-ENV JAVA_VERSION 8u275
+ENV JAVA_VERSION 8u252
 ENV JAVA_ALPINE_VERSION 8.275.01-r0
 
 RUN set -x \

bin/install-checkstyle.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 
 # use `make upgrade` to update this URL to the latest version
-URL='https://github.com/checkstyle/checkstyle/releases/download/checkstyle-9.2/checkstyle-9.2-all.jar'
+URL='https://github.com/checkstyle/checkstyle/releases/download/checkstyle-8.39/checkstyle-8.39-all.jar'
 
 
 wget -O /usr/local/bin/checkstyle.jar $URL