Release 6.9.8: bump version and changelog

Bump plugin version to 6.9.8 in plugin.php and update readme.txt stable tag. Add a 6.9.8 changelog entry noting dependency updates and corrected dependency declarations, and apply a minor trailing whitespace/newline fix in the readme.

Author: mtoensing

plugin.php

@@ -3,7 +3,7 @@
  * Plugin Name:   SimpleTOC - Table of Contents Block
  * Plugin URI:    https://marc.tv/simpletoc-wordpress-inhaltsverzeichnis-plugin-gutenberg/
  * Description:   SEO-friendly Table of Contents Gutenberg block. No JavaScript and no CSS means faster loading.
- * Version:       6.9.7
+ * Version:       6.9.8
  * Author:        Marc Tönsing
  * Author URI:    https://toensing.com
  * Text Domain:   simpletoc

readme.txt

@@ -3,7 +3,7 @@ Contributors: MarcDK
 Tags: TOC, Table of Contents, Block, Accessibility, Table
 Requires at least: 5.9
 Tested up to: 6.9
-Stable tag: 6.9.7
+Stable tag: 6.9.8
 Requires PHP: 7.3
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
@@ -70,6 +70,10 @@ SimpleTOC is open-source and developed on [GitHub Pages](https://github.com/mtoe
 
 == Changelog ==
 
+= 6.9.8 = 
+* Updated: Dependencies and house-keeping. 
+* Fix: corrected dependency declarations.
+
 = 6.9.7 = 
 * Fixed: GeneratePress Dynamic Tags work again - hopefully. If not, please report here https://github.com/mtoensing/simpletoc/issues/79#issuecomment-3745650464 Thanks @jhanten
 
@@ -169,4 +173,4 @@ Many thanks to [Tom J Nowell](https://tomjn.com) and and Sally CJ who both helpe
 
 And many more thanks to all the [developers on GitHub](https://github.com/mtoensing/simpletoc/graphs/contributors) who helped me making SimpleTOC what it is today!
 
-Thanks to Quintus Valerius Soranus for inventing the Table of Contents around 100 BC. 
+Thanks to Quintus Valerius Soranus for inventing the Table of Contents around 100 BC.