chore: update old documentation ref docs preview (#1446)

Co-authored-by: Vinícius Goulart <vinicius.goulart@camunda.com>

Author: Skaiir

packages/form-js-editor/src/features/properties-panel/entries/DocumentsDataSource.js

@@ -64,7 +64,7 @@ function DocumentsDataSource(props) {
       <p>
         Learn more in our{' '}
         <a
-          href="https://docs.camunda.io/docs/8.7/components/modeler/forms/form-element-library/forms-element-library-document-preview/"
+          href="https://docs.camunda.io/docs/components/modeler/forms/form-element-library/forms-element-library-document-preview/"
           target="_blank"
           rel="noopener noreferrer">
           documentation