go get -u github.com/a8m/enter now requires go 1.22

Unable to install `enter` - output says it requires go 1.22
install command:
```
go get -u github.com/a8m/enter

```
output:
```
github.com/a8m/enter imports
entgo.io/ent/entc/gen imports
ariga.io/atlas/sql/postgres imports
ariga.io/atlas/sql/internal/specutil imports
slices: package slices is not in GOROOT (/usr/local/go/src/slices)
note: imported by a module that requires go 1.22
```

Current version: go 1.20.5