Upgrade KoliBri to latest RC

Author: sdvg

package.json

@@ -41,9 +41,9 @@
 		"@leanup/form": "1.3.54",
 		"@mdx-js/react": "3.1.0",
 		"@monaco-editor/react": "4.6.0",
-		"@public-ui/components": "2.2.5-rc.1",
-		"@public-ui/react": "2.2.5-rc.1",
-		"@public-ui/theme-default": "2.2.5-rc.1",
+		"@public-ui/components": "2.2.6-rc.0",
+		"@public-ui/react": "2.2.6-rc.0",
+		"@public-ui/theme-default": "2.2.6-rc.0",
 		"classnames": "2.5.1",
 		"docusaurus-lunr-search": "3.5.0",
 		"mermaid": "11.4.1",