Update to go 1.14

[eran-levy]

We are documenting that go1.13+ is a prerequisite but there are still several places that are go 1.12 such as go.mod
Submitting a PR soon for that

[boring-cyborg]

Hey, thank you for opening your first Issue ! 🙂 If you would like to contribute we have a guide for contributors.

[bombsimon]

I don't think this is needed, please see discussion in #1210

[eran-levy]

closing the issue following @bombsimon comment above