[skip changelog] feat(f3): override F3BootstrapEpoch on 2k devnet with environment variable

[hanabi1224]

Related Issues

Proposed Changes

To facilitate local and CI testing for F3 on forest side, this PR adds environment variables to override F3Enabled and F3BootstrapEpcoh on 2k devnet. (just like how network upgrade epochs can be overridden with environment variables)

(Skipping changelog as similar LOTUS_{NETWORK}_HEIGHT changes do not present in CHANGELOG.md)

Additional Info

Checklist

Before you mark the PR ready for review, please make sure that:

• Commits have a clear commit message.
• PR title is in the form of of <PR type>: <area>: <change being made>
  • example: fix: mempool: Introduce a cache for valid signatures
  • PR type: fix, feat, build, chore, ci, docs, perf, refactor, revert, style, test
  • area, e.g. api, chain, state, mempool, multisig, networking, paych, proving, sealing, wallet, deps
• Update CHANGELOG.md or signal that this change does not need it.
  • If the PR affects users (e.g., new feature, bug fix, system requirements change), update the CHANGELOG.md and add details to the UNRELEASED section.
  • If the change does not require a CHANGELOG.md entry, do one of the following:
    • Add [skip changelog] to the PR title
    • Add the label skip/changelog to the PR
• New features have usage guidelines and / or documentation updates in
  • Lotus Documentation
  • Discussion Tutorials
• Tests exist for new functionality or change in behavior
• CI is green

[rjan90]

PR Title Check / Check PR Title (pull_request) Failing after 2s

It seems like this check is failing due to GitHub's security restrictions on Actions running on PRs from forks. I will adjust the workflow accordingly today, so that we can land this with a completely green CI.

[github-actions]

Please update the PR title to match https://github.com/filecoin-project/lotus/blob/master/CONTRIBUTING.md#pr-title-conventions

[github-actions]

Please update the PR title to match https://github.com/filecoin-project/lotus/blob/master/CONTRIBUTING.md#pr-title-conventions

PR title now matches the required format.

PR title now matches the required format.

[rjan90]

I looked at the failing "PR Title Check" despite conforming to our conventions. The issue stems from the recent change in our workflow to allow running on PRs from forks:

• We switched from pull_request to pull_request_target to support checking PR titles from forks: fix(ci): support checking forks in PR-title check workflow #12367
• This PR was submitted during the transition period.
• As a result, two "PR Title Check" workflows were running in this PR:
  • The old Check PR Title (pull_request) workflow (now obsolete) is failing.
  • The new pull_request_target workflow is passing.

It's safe to ignore the failing check from the obsolete workflow. Apologies for the confusion and noise in your PR.