* refactor(cmd): use std `runtime` package to get go version info
- Remove the `GoVersion` variable.
- Remove overriding `GoVersion` by ldflags in `build.sh`.
- Get go version, OS and arch from the constants in the std `runtime` package instead of compile time.
* chore(ci): remove `GoVersion` flag from workflows
Remove GoVersion flag from beta_release.yml and build.yml workflows.
> Reduce compile-time dependencies.
