chore(dockerfile): bump golang version in lotus.dockerfile

[hanabi1224]

Summary of changes

Lotus has upgraded Go to 1.22 in its v1.29.2 release, this PR updates the Dockerfiles accordingly.

https://github.com/filecoin-project/lotus/blob/v1.29.2/go.mod#L3

CI to build new image from this branch: https://github.com/ChainSafe/forest/actions/runs/11224471498/job/31201254574#step:8:30

Changes introduced in this pull request:

• update lotus.dockerfile(s)
• update lotus-devnet image tags

Reference issue to close (if applicable)

Closes

Other information and links

Change checklist

• I have performed a self-review of my own code,
• I have made corresponding changes to the documentation. All new code adheres to the team's documentation standards,
• I have added tests that prove my fix is effective or that my feature works (if possible),
• I have made sure the CHANGELOG is up-to-date. All user-facing changes should be reflected in this document.

[hanabi1224]

The 2 lotus.dockerfile(s) are identical, should we delete this one?

[LesnyRumcajs]

I think we should re-use the existing one. That said, @lemmih believes both composes will eventually get merged (or rather, the lotus-miner will get replaced by curio). See comments in #4760