Meteor's node version does not correspond with meteord image node version

[wvanooijen92]

I also posted a comment in this PR thread.

I noticed that node v12.20.0 does not correspond with the versions of node required by meteor 1.12 and 1.12.1.

Is that intentionally?

[wvanooijen92]

@abernix I have filed a PR

#57

Could you have a look at that?