Docker image updates; minor fixes

What's Changed

• updates docker image and script by @Flaurent19 in #6
• removes an unvisible character by @Flaurent19 in #7

New Contributors

• @Flaurent19 made their first contribution in #6

Full Changelog: v1.0.0...v1.0.2

rc1

v1.0.1-rc1

Let's try with more recent image

v1.0.0

DET-2058 do not trigger errexit if cloudsql-proxy fails (#3)

Otherwise we cannot see the logs of the cloudsql-proxy.