bump version

Author: vunguyentuan

.changeset/nested-vars-and-oklab-support.md

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+---
+"css-variables-language-server": minor
+"vscode-css-variables": minor
+---
+
+Add support for nested CSS variable color resolution. Variables that reference other variables using `var()` now display color previews correctly.
+
+Features:
+- Resolves nested variable references up to 5 levels deep
+- Supports fallback values: `var(--undefined, blue)`
+- Detects and handles circular references
+- Works across multiple files
+- Maintains backward compatibility
+
+Example:
+```css
+:root {
+  --color: rgb(0, 0, 0);
+  --color-alias: var(--color); /* Now shows color preview! */
+}
+```
+
+Add support for OKLAB and OKLCH color spaces by upgrading Culori to v4. Modern CSS color formats are now fully supported.
+
+Example:
+```css
+:root {
+  --oklab-color: oklab(0.628 0.225 0.126);
+  --oklch-color: oklch(0.628 0.258 29.2);
+  --with-alpha: oklch(0.628 0.258 29.2 / 0.8);
+}
+```