workflows: move to setup-go@v2
We had been using setup-go@v2-beta for a while, before v2 was out.
Now v2-beta is out of data and generating warnings in the github
actions ui.
@@ -16,7 +16,7 @@ jobs:
check:
runs-on: ubuntu-latest
steps:
- - uses: actions/setup-go@v2-beta
+ - uses: actions/setup-go@v2
with:
go-version: 1.14
- uses: actions/checkout@v2
