Update deps and .gitlab-ci.yml

.gitignore

.gitlab-ci.yml

.idea/influx_alerter.iml

.idea/libraries/Dart_Packages.xml

.idea/libraries/Dart_SDK.xml

.idea/misc.xml

.idea/modules.xml

.idea/vcs.xml

.idea/workspace.xml

CHANGELOG.md

Dockerfile

Jenkinsfile

LICENSE

README.md

analysis_options.yaml

bin/influx_alerter.dart

config.yaml.sample

docker-compose.yml

docker/entrypoint.sh

lib/alerts/checker.dart