Managing multiple Go versions#

When dealing with several Go projects you inevitably end up needing more than one Go version installed and selected correctly for a given project.

Somehow I always forget how I do this when I need to fix a new version for another project, so here is what I do for the future me:

Install the target release Go downloader. For example, for go1.22.11
```
go install golang.org/dl/go1.22.11@latest
```
Now download the actual sdk
```
go1.22.11 download
```
Now for whatever project that you want to set this version for, create the direnv's .envrc file and set the path accordingly:

PATH=~/sdk/go1.22.11/bin:$PATH

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