processor_labels: fix hash config description

[eschabell]

• Fix incorrect hash algorithm in description: SHA1 -> SHA256 (implementation uses FLB_HASH_SHA256)
• Fix grammar: "labels value" -> "label's value"

Not attached to an issue, small description fix.

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Testing
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• [ N/A ] Example configuration file for the change
• [ N/A ] Debug log output from testing the change
• [ N/A ] Attached Valgrind output that shows no leaks or memory corruption was found
• [ N/A ] Run local packaging test showing all targets (including any new ones) build.
• [ N/A ] Set ok-package-test label to test for all targets (requires maintainer to do).

Documentation

• [ ALREADY DOCUMENTED ] Documentation required for this feature

Backporting

• [ N/A ] Backport to latest stable release.

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Fluent Bit is licensed under Apache 2.0, by submitting this pull request I understand that this code will be released under the terms of that license.

Summary by CodeRabbit

• Documentation
  • Updated the "hash" configuration description to accurately reflect that values are hashed using SHA256 instead of SHA1.

[coderabbitai]

📝 Walkthrough

Walkthrough

The PR updates the description text for the "hash" configuration option in the labels processor plugin, changing the referenced hash algorithm from SHA1 to SHA256 in the documentation string.

Changes

Cohort / File(s)	Summary
Documentation String Update plugins/processor_labels/labels.c	Updated the config map description for the "hash" option to reflect SHA256 instead of SHA1 as the hashing algorithm.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Suggested reviewers

• edsiper
• cosmo0920

Poem

🐰 A hash so strong, SHA256 now,
Where SHA1 once did stand, wow!
The labels dance with crypto might,
Documentation shines so bright! ✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 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: fixing the hash config description in the processor_labels plugin from SHA1 to SHA256.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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[patrick-stephens]

@edsiper / @cosmo0920 you'll have to merge as I no longer have the permissions to override the requirements.