upgrade: version to 0.18.0

[kjdev]

Summary by CodeRabbit

• New Features

  • Added support for excluding built-in uncompressible MIME types from transparent output compression.
  • Added ! negation tokens to zstd.output_compression_exclude_types for more flexible configuration.

• Release

  • Updated the extension to version 0.18.0.

[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: ad133f31-a5d1-4f41-9a76-cb714e91fab0

📥 Commits

Reviewing files that changed from the base of the PR and between b2b4ce6 and c2593a4.

📒 Files selected for processing (2)

• package.xml
• php_zstd.h

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📝 Walkthrough

Walkthrough

The release metadata and PHP Zstandard version macro are updated from 0.17.0 to 0.18.0. The package release notes now document uncompressible MIME types and ! negation tokens.

Changes

Version 0.18.0 release

Layer / File(s)	Summary
Version and release metadata package.xml, php_zstd.h	Release metadata, date, release notes, and PHP_ZSTD_VERSION now report version 0.18.0.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Mergeability Score: ⚪ Minimal · up to c2593

This is a localized version update with no actionable merge-blocking risk remaining beyond normal checks and review.

Suggested reviewers: pavetheway91

🚥 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 clearly describes the main change: updating the extension version to 0.18.0.
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.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch release/0.18.0

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