goreleaser for validium node

[christophercampbell]

Closes #71. Adds goreleaser to github workflow

[vcastellm]

We should tweek the version here as it will try to push +cdk tags that are not compatible with docker

[christophercampbell]

@vcastellm would changing the +cdk to -cdk work? As in

{{ replace .Version "+" "-" }}

[christophercampbell]

And do all the uses of Version have to change? name_templates, image_templates, flag_templates?

[vcastellm]

hmm only the strings that correspond to docker tags

[vcastellm]

Even though the differences are pretty clear, we should try to come up with a way to maintain this in another file than .goreleaser.yml

Ideally for me, we should try to change the way docker images are build in zkevm so we can use basically the same file.

[vcastellm]

I don't want to be a blocker here