[cc1101] Fix magn_target valid values

[swoboda1337]

Description:

The magn_target config variable was documented as "Range: 24dB to 42dB in increments of 3". That is incorrect — the CC1101's AGC MAGN_TARGET values are not uniform 3 dB steps. The valid values (per the enum in cc1101/__init__.py) are 24, 27, 30, 33, 36, 38, 40, 42 dB (3 dB steps up to 36 dB, then 2 dB steps). Replaced the range text with the explicit list of options.

Related issue (if applicable): N/A

Pull request in esphome with YAML changes (if applicable):

• N/A

Checklist:

• I am merging into next because this is new documentation that has a matching pull-request in esphome as linked above.
  or

• I am merging into current because this is a fix, change and/or adjustment in the current documentation and is not for a new component or feature.

• Link added in /components/_index.md when creating new documents for new components or cookbook.

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[Copilot]

Pull request overview

Updates the CC1101 component documentation to accurately describe the valid magn_target AGC configuration values, replacing an incorrect “3 dB increments” range description with the explicit supported set.

Changes:

• Replaced the magn_target “Range … increments of 3” text with an explicit options list (24, 27, 30, 33, 36, 38, 40, 42 dB).
• Kept the default value documentation (42dB) unchanged.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 8d3d6df4-8a90-4c91-9ccc-757f05df0bce

📥 Commits

Reviewing files that changed from the base of the PR and between 9844744 and e3a9a54.

📒 Files selected for processing (1)

• src/content/docs/components/cc1101.mdx

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Walkthrough

The magn_target AGC option description in the CC1101 component documentation is updated from a range-with-increments format to an explicit enumerated list of discrete dB values (24dB through 42dB in 3dB steps), with the default remaining 42dB.

Changes

CC1101 AGC Documentation Fix

Layer / File(s)	Summary
magn_target discrete options description src/content/docs/components/cc1101.mdx	Replaces the range-with-increments wording for magn_target with an explicit list of allowed values: 24dB, 27dB, 30dB, 33dB, 36dB, 39dB, 42dB; default remains 42dB.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and specifically describes the main change: fixing the documented valid values for the magn_target parameter in the CC1101 component.
Description check	✅ Passed	The description is directly related to the changeset, providing clear context about the incorrect documentation and the correct enumerated values that replace it.
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.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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