bump version to 0.24, add changelog entry and publish-process docs

debian/changelog

@@ -1,3 +1,17 @@
+python3-damaris (0.24) stable; urgency=medium
+
+  * fixed log dump race condition, no more crash at experiment end
+  * data pool HDF5 file is now always closed properly
+  * Signalpath.phase() no longer modifies data in place, returns object for phase=0 (fixes #43)
+  * fixed inconsistencies in returned objects: missing channels, is_clipped
+  * fixed accumulation lock leaks and deprecated API usage
+  * user plugin directory ~/.config/damaris/plugin added to Python path
+  * all output switched to logging module, experiment and result script prints show up in the GUI
+  * command line interface fixed and properly added to the deb package
+  * performance: incremental writing of HDF5 data pool, reduced polling in synchronize()
+
+ -- Markus Rosenstihl <markus.rosenstihl@pkm.tu-darmstadt.de>  Sun, 18 Oct 2026 11:39:54 +0200
+
 python3-damaris (0.22) stable; urgency=medium
 
   * fixed autocomplete in the editor tabs