chore: add v2.11.6 and v2.12.1

[pfeerick]

Summary by CodeRabbit

• Chores
  • Added support for nightly builds for versions v2.12.1 and v2.11.6, expanding the available build configurations for these release channels.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: b5a21cd0-31a4-4af6-ad96-c155968c49f1

📥 Commits

Reviewing files that changed from the base of the PR and between a7c3aae and 26634e6.

📒 Files selected for processing (1)

• targets.json

---

📝 Walkthrough

Walkthrough

Configuration targets.json is updated to add two nightly release entries: v2.12.1 mapped to the 2.12 builder image, and v2.11.6 mapped to the 2.11 builder image, alongside the existing v2.12.0 mapping.

Changes

Nightly Release Mappings

Layer / File(s)	Summary
Add v2.12.1 and v2.11.6 nightly releases targets.json	Extended releases.nightly to include v2.12.1 with build_container: ghcr.io/edgetx/edgetx-builder:2.12 and v2.11.6 with build_container: ghcr.io/edgetx/edgetx-builder:2.11, retaining the existing v2.12.0 mapping.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

A new build path hops into sight,
v2.12.1 and v2.11.6 shine bright,
Builder containers mapped with care,
Release configurations everywhere! 🐰✨

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the main change: adding two new release versions (v2.11.6 and v2.12.1) to the targets.json configuration file.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch pfeerick/2.11.6-2.12.1

---

_{Comment @coderabbitai help to get the list of available commands and usage tips.}