Update docker image base

[kevinfrommelt]

Describe the feature

Update the base image being used to generate the docker image for the operator. The current image is over 2 years old and contains some CVEs with fixes.

[brusdev]

@kevinfrommelt thanks for the heads-up, I have just added a step to the update the base image to the workflow that is executed before every release, see artemiscloud@5107c4b

[brusdev]

Resolved by artemiscloud@753728d

[kevinfrommelt]

@brusdev Do you have an estimate of when the next release will be created?

[brusdev]

@kevinfrommelt I have just pushed the release 1.2.7