Update changelog for 0.20.10 release

Author: zeha

debian/changelog

@@ -1,3 +1,13 @@
+grml2usb (0.20.10) unstable; urgency=medium
+
+  [ Chris Hofstaedtler ]
+  * [e903f89] Enable dependabot for GitHub Actions
+  * [8cf171e] Replace GitHub workflows
+  * [1e2562c] Rename asciidoc files to *.adoc
+  * [1b073fb] Add README.md
+
+ -- Chris Hofstaedtler <[email protected]>  Mon, 03 Nov 2025 12:54:33 +0100
+
 grml2usb (0.20.9) unstable; urgency=medium
 
   * [99d1520] d/copyright: Remove old FSF address