[CI] Use console=plain so that Buildkite logs aren't a mess (#115049)

Author: brianseeders

.buildkite/hooks/pre-command

@@ -16,10 +16,10 @@ export COMPOSE_HTTP_TIMEOUT
 JOB_BRANCH="$BUILDKITE_BRANCH"
 export JOB_BRANCH
 
-GRADLEW="./gradlew --parallel --scan --build-cache --no-watch-fs -Dorg.elasticsearch.build.cache.url=https://gradle-enterprise.elastic.co/cache/"
+GRADLEW="./gradlew --console=plain --parallel --scan --build-cache --no-watch-fs -Dorg.elasticsearch.build.cache.url=https://gradle-enterprise.elastic.co/cache/"
 export GRADLEW
 
-GRADLEW_BAT="./gradlew.bat --parallel --scan --build-cache --no-watch-fs -Dorg.elasticsearch.build.cache.url=https://gradle-enterprise.elastic.co/cache/"
+GRADLEW_BAT="./gradlew.bat --console=plain --parallel --scan --build-cache --no-watch-fs -Dorg.elasticsearch.build.cache.url=https://gradle-enterprise.elastic.co/cache/"
 export GRADLEW_BAT
 
 export $(cat .ci/java-versions.properties | grep '=' | xargs)

.ci/scripts/packaging-test.sh

@@ -78,5 +78,5 @@ sudo -E env \
   --unset=JAVA_HOME \
   SYSTEM_JAVA_HOME=`readlink -f -n $BUILD_JAVA_HOME` \
   DOCKER_CONFIG="${HOME}/.docker" \
-  ./gradlew -g $HOME/.gradle --scan --parallel --build-cache -Dorg.elasticsearch.build.cache.url=https://gradle-enterprise.elastic.co/cache/ --continue $@
+  ./gradlew -g $HOME/.gradle --console=plain --scan --parallel --build-cache -Dorg.elasticsearch.build.cache.url=https://gradle-enterprise.elastic.co/cache/ --continue $@